Home / 148,569.04-205,024.26-80,585.74

Finding the Fourth Proportional to 148,569.04, 205,024.26 and 80,585.74

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Solution

The fourth proportional to 148,569.04, 205,024.26 and 80,585.74 is: 111,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,569.04 : 205,024.26 = 80,585.74 : x
  2. Step 2: Convert to fraction form
    148,569.04/205,024.26 = 80,585.74/x
  3. Step 3: Cross multiply
    148,569.04x = 205,024.26 × 80,585.74
  4. Step 4: Simplify right side
    148,569.04x = 16,522,031,710.05
  5. Step 5: Solve for x
    x = 16,522,031,710.05/148,569.04
  6. Step 6: Final answer
    x = 111,207.77

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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.