Home / 250,248.48-375,431.52-72,759.36

Finding the Fourth Proportional to 250,248.48, 375,431.52 and 72,759.36

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Solution

The fourth proportional to 250,248.48, 375,431.52 and 72,759.36 is: 109,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,248.48 : 375,431.52 = 72,759.36 : x
  2. Step 2: Convert to fraction form
    250,248.48/375,431.52 = 72,759.36/x
  3. Step 3: Cross multiply
    250,248.48x = 375,431.52 × 72,759.36
  4. Step 4: Simplify right side
    250,248.48x = 27,316,157,119.03
  5. Step 5: Solve for x
    x = 27,316,157,119.03/250,248.48
  6. Step 6: Final answer
    x = 109,156.14

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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.