Home / 316,069.20-473,441.40-147,733.20

Finding the Fourth Proportional to 316,069.20, 473,441.40 and 147,733.20

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Solution

The fourth proportional to 316,069.20, 473,441.40 and 147,733.20 is: 221,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,069.20 : 473,441.40 = 147,733.20 : x
  2. Step 2: Convert to fraction form
    316,069.20/473,441.40 = 147,733.20/x
  3. Step 3: Cross multiply
    316,069.20x = 473,441.40 × 147,733.20
  4. Step 4: Simplify right side
    316,069.20x = 69,943,013,034.48
  5. Step 5: Solve for x
    x = 69,943,013,034.48/316,069.20
  6. Step 6: Final answer
    x = 221,290.19

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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.