Home / 156,988.75-235,491.27-51,815.92

Finding the Fourth Proportional to 156,988.75, 235,491.27 and 51,815.92

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Solution

The fourth proportional to 156,988.75, 235,491.27 and 51,815.92 is: 77,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.75 : 235,491.27 = 51,815.92 : x
  2. Step 2: Convert to fraction form
    156,988.75/235,491.27 = 51,815.92/x
  3. Step 3: Cross multiply
    156,988.75x = 235,491.27 × 51,815.92
  4. Step 4: Simplify right side
    156,988.75x = 12,202,196,807.02
  5. Step 5: Solve for x
    x = 12,202,196,807.02/156,988.75
  6. Step 6: Final answer
    x = 77,726.57

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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.