Home / 156,788.76-216,364.86-85,167.18

Finding the Fourth Proportional to 156,788.76, 216,364.86 and 85,167.18

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Solution

The fourth proportional to 156,788.76, 216,364.86 and 85,167.18 is: 117,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.76 : 216,364.86 = 85,167.18 : x
  2. Step 2: Convert to fraction form
    156,788.76/216,364.86 = 85,167.18/x
  3. Step 3: Cross multiply
    156,788.76x = 216,364.86 × 85,167.18
  4. Step 4: Simplify right side
    156,788.76x = 18,427,184,977.29
  5. Step 5: Solve for x
    x = 18,427,184,977.29/156,788.76
  6. Step 6: Final answer
    x = 117,528.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.