Home / 156,733.60-235,100.40-112,774.90

Finding the Fourth Proportional to 156,733.60, 235,100.40 and 112,774.90

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Solution

The fourth proportional to 156,733.60, 235,100.40 and 112,774.90 is: 169,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.60 : 235,100.40 = 112,774.90 : x
  2. Step 2: Convert to fraction form
    156,733.60/235,100.40 = 112,774.90/x
  3. Step 3: Cross multiply
    156,733.60x = 235,100.40 × 112,774.90
  4. Step 4: Simplify right side
    156,733.60x = 26,513,424,099.96
  5. Step 5: Solve for x
    x = 26,513,424,099.96/156,733.60
  6. Step 6: Final answer
    x = 169,162.35

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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.