Home / 154,854.35-213,790.62-97,542.79

Finding the Fourth Proportional to 154,854.35, 213,790.62 and 97,542.79

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Solution

The fourth proportional to 154,854.35, 213,790.62 and 97,542.79 is: 134,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,854.35 : 213,790.62 = 97,542.79 : x
  2. Step 2: Convert to fraction form
    154,854.35/213,790.62 = 97,542.79/x
  3. Step 3: Cross multiply
    154,854.35x = 213,790.62 × 97,542.79
  4. Step 4: Simplify right side
    154,854.35x = 20,853,734,358.88
  5. Step 5: Solve for x
    x = 20,853,734,358.88/154,854.35
  6. Step 6: Final answer
    x = 134,666.77

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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.