Home / 483,746.18-725,432.56-159,456.40

Finding the Fourth Proportional to 483,746.18, 725,432.56 and 159,456.40

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Solution

The fourth proportional to 483,746.18, 725,432.56 and 159,456.40 is: 239,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,746.18 : 725,432.56 = 159,456.40 : x
  2. Step 2: Convert to fraction form
    483,746.18/725,432.56 = 159,456.40/x
  3. Step 3: Cross multiply
    483,746.18x = 725,432.56 × 159,456.40
  4. Step 4: Simplify right side
    483,746.18x = 115,674,862,248.16
  5. Step 5: Solve for x
    x = 115,674,862,248.16/483,746.18
  6. Step 6: Final answer
    x = 239,123.05

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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.