Home / 356,248.02-534,407.14-103,530.72

Finding the Fourth Proportional to 356,248.02, 534,407.14 and 103,530.72

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Solution

The fourth proportional to 356,248.02, 534,407.14 and 103,530.72 is: 155,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,248.02 : 534,407.14 = 103,530.72 : x
  2. Step 2: Convert to fraction form
    356,248.02/534,407.14 = 103,530.72/x
  3. Step 3: Cross multiply
    356,248.02x = 534,407.14 × 103,530.72
  4. Step 4: Simplify right side
    356,248.02x = 55,327,555,977.34
  5. Step 5: Solve for x
    x = 55,327,555,977.34/356,248.02
  6. Step 6: Final answer
    x = 155,306.28

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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.