Home / 176,331.40-243,340.16-99,848.43

Finding the Fourth Proportional to 176,331.40, 243,340.16 and 99,848.43

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Solution

The fourth proportional to 176,331.40, 243,340.16 and 99,848.43 is: 137,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,331.40 : 243,340.16 = 99,848.43 : x
  2. Step 2: Convert to fraction form
    176,331.40/243,340.16 = 99,848.43/x
  3. Step 3: Cross multiply
    176,331.40x = 243,340.16 × 99,848.43
  4. Step 4: Simplify right side
    176,331.40x = 24,297,132,931.95
  5. Step 5: Solve for x
    x = 24,297,132,931.95/176,331.40
  6. Step 6: Final answer
    x = 137,792.43

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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.