Home / 316,215.48-474,356.45-103,000.02

Finding the Fourth Proportional to 316,215.48, 474,356.45 and 103,000.02

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Solution

The fourth proportional to 316,215.48, 474,356.45 and 103,000.02 is: 154,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,215.48 : 474,356.45 = 103,000.02 : x
  2. Step 2: Convert to fraction form
    316,215.48/474,356.45 = 103,000.02/x
  3. Step 3: Cross multiply
    316,215.48x = 474,356.45 × 103,000.02
  4. Step 4: Simplify right side
    316,215.48x = 48,858,723,837.13
  5. Step 5: Solve for x
    x = 48,858,723,837.13/316,215.48
  6. Step 6: Final answer
    x = 154,510.85

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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.