Home / 370,921.80-556,382.70-134,434.20

Finding the Fourth Proportional to 370,921.80, 556,382.70 and 134,434.20

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Solution

The fourth proportional to 370,921.80, 556,382.70 and 134,434.20 is: 201,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,921.80 : 556,382.70 = 134,434.20 : x
  2. Step 2: Convert to fraction form
    370,921.80/556,382.70 = 134,434.20/x
  3. Step 3: Cross multiply
    370,921.80x = 556,382.70 × 134,434.20
  4. Step 4: Simplify right side
    370,921.80x = 74,796,863,168.34
  5. Step 5: Solve for x
    x = 74,796,863,168.34/370,921.80
  6. Step 6: Final answer
    x = 201,651.30

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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.