Home / 156,926.67-235,332.96-85,901.77

Finding the Fourth Proportional to 156,926.67, 235,332.96 and 85,901.77

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Solution

The fourth proportional to 156,926.67, 235,332.96 and 85,901.77 is: 128,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.67 : 235,332.96 = 85,901.77 : x
  2. Step 2: Convert to fraction form
    156,926.67/235,332.96 = 85,901.77/x
  3. Step 3: Cross multiply
    156,926.67x = 235,332.96 × 85,901.77
  4. Step 4: Simplify right side
    156,926.67x = 20,215,517,803.34
  5. Step 5: Solve for x
    x = 20,215,517,803.34/156,926.67
  6. Step 6: Final answer
    x = 128,821.43

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1.5x scale

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.