Home / 176,319.57-243,323.91-99,836.65

Finding the Fourth Proportional to 176,319.57, 243,323.91 and 99,836.65

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Solution

The fourth proportional to 176,319.57, 243,323.91 and 99,836.65 is: 137,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,319.57 : 243,323.91 = 99,836.65 : x
  2. Step 2: Convert to fraction form
    176,319.57/243,323.91 = 99,836.65/x
  3. Step 3: Cross multiply
    176,319.57x = 243,323.91 × 99,836.65
  4. Step 4: Simplify right side
    176,319.57x = 24,292,644,039.30
  5. Step 5: Solve for x
    x = 24,292,644,039.30/176,319.57
  6. Step 6: Final answer
    x = 137,776.22

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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.