Home / 487,056.20-730,652.88-150,124.01

Finding the Fourth Proportional to 487,056.20, 730,652.88 and 150,124.01

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Solution

The fourth proportional to 487,056.20, 730,652.88 and 150,124.01 is: 225,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,056.20 : 730,652.88 = 150,124.01 : x
  2. Step 2: Convert to fraction form
    487,056.20/730,652.88 = 150,124.01/x
  3. Step 3: Cross multiply
    487,056.20x = 730,652.88 × 150,124.01
  4. Step 4: Simplify right side
    487,056.20x = 109,688,538,061.71
  5. Step 5: Solve for x
    x = 109,688,538,061.71/487,056.20
  6. Step 6: Final answer
    x = 225,207.15

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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.