Home / 156,964.42-216,693.66-126,000.55

Finding the Fourth Proportional to 156,964.42, 216,693.66 and 126,000.55

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Solution

The fourth proportional to 156,964.42, 216,693.66 and 126,000.55 is: 173,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.42 : 216,693.66 = 126,000.55 : x
  2. Step 2: Convert to fraction form
    156,964.42/216,693.66 = 126,000.55/x
  3. Step 3: Cross multiply
    156,964.42x = 216,693.66 × 126,000.55
  4. Step 4: Simplify right side
    156,964.42x = 27,303,520,341.51
  5. Step 5: Solve for x
    x = 27,303,520,341.51/156,964.42
  6. Step 6: Final answer
    x = 173,947.19

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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.