Home / 356,127.59-534,219.05-103,412.25

Finding the Fourth Proportional to 356,127.59, 534,219.05 and 103,412.25

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Solution

The fourth proportional to 356,127.59, 534,219.05 and 103,412.25 is: 155,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,127.59 : 534,219.05 = 103,412.25 : x
  2. Step 2: Convert to fraction form
    356,127.59/534,219.05 = 103,412.25/x
  3. Step 3: Cross multiply
    356,127.59x = 534,219.05 × 103,412.25
  4. Step 4: Simplify right side
    356,127.59x = 55,244,793,953.36
  5. Step 5: Solve for x
    x = 55,244,793,953.36/356,127.59
  6. Step 6: Final answer
    x = 155,126.41

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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.