Home / 156,742.93-234,953.54-61,934.72

Finding the Fourth Proportional to 156,742.93, 234,953.54 and 61,934.72

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Solution

The fourth proportional to 156,742.93, 234,953.54 and 61,934.72 is: 92,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.93 : 234,953.54 = 61,934.72 : x
  2. Step 2: Convert to fraction form
    156,742.93/234,953.54 = 61,934.72/x
  3. Step 3: Cross multiply
    156,742.93x = 234,953.54 × 61,934.72
  4. Step 4: Simplify right side
    156,742.93x = 14,551,781,403.24
  5. Step 5: Solve for x
    x = 14,551,781,403.24/156,742.93
  6. Step 6: Final answer
    x = 92,838.52

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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.