Home / 148,449.50-204,854.82-80,465.02

Finding the Fourth Proportional to 148,449.50, 204,854.82 and 80,465.02

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Solution

The fourth proportional to 148,449.50, 204,854.82 and 80,465.02 is: 111,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,449.50 : 204,854.82 = 80,465.02 : x
  2. Step 2: Convert to fraction form
    148,449.50/204,854.82 = 80,465.02/x
  3. Step 3: Cross multiply
    148,449.50x = 204,854.82 × 80,465.02
  4. Step 4: Simplify right side
    148,449.50x = 16,483,646,164.12
  5. Step 5: Solve for x
    x = 16,483,646,164.12/148,449.50
  6. Step 6: Final answer
    x = 111,038.74

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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.