Home / 127,613.18-191,447.48-38,864.35

Finding the Fourth Proportional to 127,613.18, 191,447.48 and 38,864.35

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Solution

The fourth proportional to 127,613.18, 191,447.48 and 38,864.35 is: 58,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.18 : 191,447.48 = 38,864.35 : x
  2. Step 2: Convert to fraction form
    127,613.18/191,447.48 = 38,864.35/x
  3. Step 3: Cross multiply
    127,613.18x = 191,447.48 × 38,864.35
  4. Step 4: Simplify right side
    127,613.18x = 7,440,482,205.81
  5. Step 5: Solve for x
    x = 7,440,482,205.81/127,613.18
  6. Step 6: Final answer
    x = 58,304.97

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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.