Home / 348,666.30-522,999.45-124,280.10

Finding the Fourth Proportional to 348,666.30, 522,999.45 and 124,280.10

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Solution

The fourth proportional to 348,666.30, 522,999.45 and 124,280.10 is: 186,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,666.30 : 522,999.45 = 124,280.10 : x
  2. Step 2: Convert to fraction form
    348,666.30/522,999.45 = 124,280.10/x
  3. Step 3: Cross multiply
    348,666.30x = 522,999.45 × 124,280.10
  4. Step 4: Simplify right side
    348,666.30x = 64,998,423,945.95
  5. Step 5: Solve for x
    x = 64,998,423,945.95/348,666.30
  6. Step 6: Final answer
    x = 186,420.15

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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.