Home / 176,444.92-243,523.02-128,855.80

Finding the Fourth Proportional to 176,444.92, 243,523.02 and 128,855.80

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Solution

The fourth proportional to 176,444.92, 243,523.02 and 128,855.80 is: 177,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,444.92 : 243,523.02 = 128,855.80 : x
  2. Step 2: Convert to fraction form
    176,444.92/243,523.02 = 128,855.80/x
  3. Step 3: Cross multiply
    176,444.92x = 243,523.02 × 128,855.80
  4. Step 4: Simplify right side
    176,444.92x = 31,379,353,560.52
  5. Step 5: Solve for x
    x = 31,379,353,560.52/176,444.92
  6. Step 6: Final answer
    x = 177,842.20

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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.