Home / 558,746.07-838,146.78-159,445.68

Finding the Fourth Proportional to 558,746.07, 838,146.78 and 159,445.68

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Solution

The fourth proportional to 558,746.07, 838,146.78 and 159,445.68 is: 239,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,746.07 : 838,146.78 = 159,445.68 : x
  2. Step 2: Convert to fraction form
    558,746.07/838,146.78 = 159,445.68/x
  3. Step 3: Cross multiply
    558,746.07x = 838,146.78 × 159,445.68
  4. Step 4: Simplify right side
    558,746.07x = 133,638,883,276.91
  5. Step 5: Solve for x
    x = 133,638,883,276.91/558,746.07
  6. Step 6: Final answer
    x = 239,176.42

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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.