Home / 156,867.32-235,337.88-51,686.28

Finding the Fourth Proportional to 156,867.32, 235,337.88 and 51,686.28

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Solution

The fourth proportional to 156,867.32, 235,337.88 and 51,686.28 is: 77,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,867.32 : 235,337.88 = 51,686.28 : x
  2. Step 2: Convert to fraction form
    156,867.32/235,337.88 = 51,686.28/x
  3. Step 3: Cross multiply
    156,867.32x = 235,337.88 × 51,686.28
  4. Step 4: Simplify right side
    156,867.32x = 12,163,739,560.29
  5. Step 5: Solve for x
    x = 12,163,739,560.29/156,867.32
  6. Step 6: Final answer
    x = 77,541.58

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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.