Home / 173,139.50-238,947.10-97,702.58

Finding the Fourth Proportional to 173,139.50, 238,947.10 and 97,702.58

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Solution

The fourth proportional to 173,139.50, 238,947.10 and 97,702.58 is: 134,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.50 : 238,947.10 = 97,702.58 : x
  2. Step 2: Convert to fraction form
    173,139.50/238,947.10 = 97,702.58/x
  3. Step 3: Cross multiply
    173,139.50x = 238,947.10 × 97,702.58
  4. Step 4: Simplify right side
    173,139.50x = 23,345,748,153.52
  5. Step 5: Solve for x
    x = 23,345,748,153.52/173,139.50
  6. Step 6: Final answer
    x = 134,837.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.