Home / 176,323.39-243,329.18-99,840.47

Finding the Fourth Proportional to 176,323.39, 243,329.18 and 99,840.47

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Solution

The fourth proportional to 176,323.39, 243,329.18 and 99,840.47 is: 137,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,323.39 : 243,329.18 = 99,840.47 : x
  2. Step 2: Convert to fraction form
    176,323.39/243,329.18 = 99,840.47/x
  3. Step 3: Cross multiply
    176,323.39x = 243,329.18 × 99,840.47
  4. Step 4: Simplify right side
    176,323.39x = 24,294,099,695.91
  5. Step 5: Solve for x
    x = 24,294,099,695.91/176,323.39
  6. Step 6: Final answer
    x = 137,781.49

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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.