Home / 148,575.16-205,030.20-80,590.24

Finding the Fourth Proportional to 148,575.16, 205,030.20 and 80,590.24

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Solution

The fourth proportional to 148,575.16, 205,030.20 and 80,590.24 is: 111,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,575.16 : 205,030.20 = 80,590.24 : x
  2. Step 2: Convert to fraction form
    148,575.16/205,030.20 = 80,590.24/x
  3. Step 3: Cross multiply
    148,575.16x = 205,030.20 × 80,590.24
  4. Step 4: Simplify right side
    148,575.16x = 16,523,433,025.25
  5. Step 5: Solve for x
    x = 16,523,433,025.25/148,575.16
  6. Step 6: Final answer
    x = 111,212.62

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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.