Home / 113,397.25-156,488.06-70,360.74

Finding the Fourth Proportional to 113,397.25, 156,488.06 and 70,360.74

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Solution

The fourth proportional to 113,397.25, 156,488.06 and 70,360.74 is: 97,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,397.25 : 156,488.06 = 70,360.74 : x
  2. Step 2: Convert to fraction form
    113,397.25/156,488.06 = 70,360.74/x
  3. Step 3: Cross multiply
    113,397.25x = 156,488.06 × 70,360.74
  4. Step 4: Simplify right side
    113,397.25x = 11,010,615,702.76
  5. Step 5: Solve for x
    x = 11,010,615,702.76/113,397.25
  6. Step 6: Final answer
    x = 97,097.73

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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.