Home / 107,609.05-148,397.29-71,252.81

Finding the Fourth Proportional to 107,609.05, 148,397.29 and 71,252.81

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Solution

The fourth proportional to 107,609.05, 148,397.29 and 71,252.81 is: 98,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,609.05 : 148,397.29 = 71,252.81 : x
  2. Step 2: Convert to fraction form
    107,609.05/148,397.29 = 71,252.81/x
  3. Step 3: Cross multiply
    107,609.05x = 148,397.29 × 71,252.81
  4. Step 4: Simplify right side
    107,609.05x = 10,573,722,988.77
  5. Step 5: Solve for x
    x = 10,573,722,988.77/107,609.05
  6. Step 6: Final answer
    x = 98,260.54

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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.