Home / 161,854.20-223,408.18-93,888.36

Finding the Fourth Proportional to 161,854.20, 223,408.18 and 93,888.36

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Solution

The fourth proportional to 161,854.20, 223,408.18 and 93,888.36 is: 129,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,854.20 : 223,408.18 = 93,888.36 : x
  2. Step 2: Convert to fraction form
    161,854.20/223,408.18 = 93,888.36/x
  3. Step 3: Cross multiply
    161,854.20x = 223,408.18 × 93,888.36
  4. Step 4: Simplify right side
    161,854.20x = 20,975,427,630.78
  5. Step 5: Solve for x
    x = 20,975,427,630.78/161,854.20
  6. Step 6: Final answer
    x = 129,594.58

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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.