Home / 356,127.50-534,218.92-103,412.16

Finding the Fourth Proportional to 356,127.50, 534,218.92 and 103,412.16

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Solution

The fourth proportional to 356,127.50, 534,218.92 and 103,412.16 is: 155,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,127.50 : 534,218.92 = 103,412.16 : x
  2. Step 2: Convert to fraction form
    356,127.50/534,218.92 = 103,412.16/x
  3. Step 3: Cross multiply
    356,127.50x = 534,218.92 × 103,412.16
  4. Step 4: Simplify right side
    356,127.50x = 55,244,732,171.54
  5. Step 5: Solve for x
    x = 55,244,732,171.54/356,127.50
  6. Step 6: Final answer
    x = 155,126.27

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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.