Home / 459,047.93-688,517.10-122,113.24

Finding the Fourth Proportional to 459,047.93, 688,517.10 and 122,113.24

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Solution

The fourth proportional to 459,047.93, 688,517.10 and 122,113.24 is: 183,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,047.93 : 688,517.10 = 122,113.24 : x
  2. Step 2: Convert to fraction form
    459,047.93/688,517.10 = 122,113.24/x
  3. Step 3: Cross multiply
    459,047.93x = 688,517.10 × 122,113.24
  4. Step 4: Simplify right side
    459,047.93x = 84,077,053,876.40
  5. Step 5: Solve for x
    x = 84,077,053,876.40/459,047.93
  6. Step 6: Final answer
    x = 183,155.28

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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.