Home / 148,685.86-205,186.66-80,702.83

Finding the Fourth Proportional to 148,685.86, 205,186.66 and 80,702.83

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Solution

The fourth proportional to 148,685.86, 205,186.66 and 80,702.83 is: 111,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685.86 : 205,186.66 = 80,702.83 : x
  2. Step 2: Convert to fraction form
    148,685.86/205,186.66 = 80,702.83/x
  3. Step 3: Cross multiply
    148,685.86x = 205,186.66 × 80,702.83
  4. Step 4: Simplify right side
    148,685.86x = 16,559,143,425.52
  5. Step 5: Solve for x
    x = 16,559,143,425.52/148,685.86
  6. Step 6: Final answer
    x = 111,370.00

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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.