Home / 156,350.68-215,838.30-104,756.62

Finding the Fourth Proportional to 156,350.68, 215,838.30 and 104,756.62

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Solution

The fourth proportional to 156,350.68, 215,838.30 and 104,756.62 is: 144,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,350.68 : 215,838.30 = 104,756.62 : x
  2. Step 2: Convert to fraction form
    156,350.68/215,838.30 = 104,756.62/x
  3. Step 3: Cross multiply
    156,350.68x = 215,838.30 × 104,756.62
  4. Step 4: Simplify right side
    156,350.68x = 22,610,490,774.55
  5. Step 5: Solve for x
    x = 22,610,490,774.55/156,350.68
  6. Step 6: Final answer
    x = 144,613.96

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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.