Home / 144,645.18-217,108.08-69,818.04

Finding the Fourth Proportional to 144,645.18, 217,108.08 and 69,818.04

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Solution

The fourth proportional to 144,645.18, 217,108.08 and 69,818.04 is: 104,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,645.18 : 217,108.08 = 69,818.04 : x
  2. Step 2: Convert to fraction form
    144,645.18/217,108.08 = 69,818.04/x
  3. Step 3: Cross multiply
    144,645.18x = 217,108.08 × 69,818.04
  4. Step 4: Simplify right side
    144,645.18x = 15,158,060,613.76
  5. Step 5: Solve for x
    x = 15,158,060,613.76/144,645.18
  6. Step 6: Final answer
    x = 104,794.79

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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.