Home / 107,758.20-148,665.42-65,301.24

Finding the Fourth Proportional to 107,758.20, 148,665.42 and 65,301.24

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Solution

The fourth proportional to 107,758.20, 148,665.42 and 65,301.24 is: 90,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,758.20 : 148,665.42 = 65,301.24 : x
  2. Step 2: Convert to fraction form
    107,758.20/148,665.42 = 65,301.24/x
  3. Step 3: Cross multiply
    107,758.20x = 148,665.42 × 65,301.24
  4. Step 4: Simplify right side
    107,758.20x = 9,708,036,271.12
  5. Step 5: Solve for x
    x = 9,708,036,271.12/107,758.20
  6. Step 6: Final answer
    x = 90,090.93

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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.