Home / 371,215.80-556,823.70-134,566.20

Finding the Fourth Proportional to 371,215.80, 556,823.70 and 134,566.20

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Solution

The fourth proportional to 371,215.80, 556,823.70 and 134,566.20 is: 201,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,215.80 : 556,823.70 = 134,566.20 : x
  2. Step 2: Convert to fraction form
    371,215.80/556,823.70 = 134,566.20/x
  3. Step 3: Cross multiply
    371,215.80x = 556,823.70 × 134,566.20
  4. Step 4: Simplify right side
    371,215.80x = 74,929,649,378.94
  5. Step 5: Solve for x
    x = 74,929,649,378.94/371,215.80
  6. Step 6: Final answer
    x = 201,849.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.