Home / 113,164.62-156,168.28-62,176.53

Finding the Fourth Proportional to 113,164.62, 156,168.28 and 62,176.53

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Solution

The fourth proportional to 113,164.62, 156,168.28 and 62,176.53 is: 85,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,164.62 : 156,168.28 = 62,176.53 : x
  2. Step 2: Convert to fraction form
    113,164.62/156,168.28 = 62,176.53/x
  3. Step 3: Cross multiply
    113,164.62x = 156,168.28 × 62,176.53
  4. Step 4: Simplify right side
    113,164.62x = 9,710,001,746.47
  5. Step 5: Solve for x
    x = 9,710,001,746.47/113,164.62
  6. Step 6: Final answer
    x = 85,804.22

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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.