Home / 156,965.42-216,695.04-126,001.55

Finding the Fourth Proportional to 156,965.42, 216,695.04 and 126,001.55

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Solution

The fourth proportional to 156,965.42, 216,695.04 and 126,001.55 is: 173,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.42 : 216,695.04 = 126,001.55 : x
  2. Step 2: Convert to fraction form
    156,965.42/216,695.04 = 126,001.55/x
  3. Step 3: Cross multiply
    156,965.42x = 216,695.04 × 126,001.55
  4. Step 4: Simplify right side
    156,965.42x = 27,303,910,917.31
  5. Step 5: Solve for x
    x = 27,303,910,917.31/156,965.42
  6. Step 6: Final answer
    x = 173,948.57

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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.