Home / 111,421.40-153,760.14-60,433.31

Finding the Fourth Proportional to 111,421.40, 153,760.14 and 60,433.31

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Solution

The fourth proportional to 111,421.40, 153,760.14 and 60,433.31 is: 83,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,421.40 : 153,760.14 = 60,433.31 : x
  2. Step 2: Convert to fraction form
    111,421.40/153,760.14 = 60,433.31/x
  3. Step 3: Cross multiply
    111,421.40x = 153,760.14 × 60,433.31
  4. Step 4: Simplify right side
    111,421.40x = 9,292,234,590.66
  5. Step 5: Solve for x
    x = 9,292,234,590.66/111,421.40
  6. Step 6: Final answer
    x = 83,397.22

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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.