Home / 156,962.30-235,443.45-51,775.70

Finding the Fourth Proportional to 156,962.30, 235,443.45 and 51,775.70

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Solution

The fourth proportional to 156,962.30, 235,443.45 and 51,775.70 is: 77,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.30 : 235,443.45 = 51,775.70 : x
  2. Step 2: Convert to fraction form
    156,962.30/235,443.45 = 51,775.70/x
  3. Step 3: Cross multiply
    156,962.30x = 235,443.45 × 51,775.70
  4. Step 4: Simplify right side
    156,962.30x = 12,190,249,434.17
  5. Step 5: Solve for x
    x = 12,190,249,434.17/156,962.30
  6. Step 6: Final answer
    x = 77,663.55

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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.