Home / 115,023.27-158,676.12-99,080.04

Finding the Fourth Proportional to 115,023.27, 158,676.12 and 99,080.04

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Solution

The fourth proportional to 115,023.27, 158,676.12 and 99,080.04 is: 136,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,023.27 : 158,676.12 = 99,080.04 : x
  2. Step 2: Convert to fraction form
    115,023.27/158,676.12 = 99,080.04/x
  3. Step 3: Cross multiply
    115,023.27x = 158,676.12 × 99,080.04
  4. Step 4: Simplify right side
    115,023.27x = 15,721,636,316.64
  5. Step 5: Solve for x
    x = 15,721,636,316.64/115,023.27
  6. Step 6: Final answer
    x = 136,682.22

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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.