Home / 176,330.40-243,338.78-99,847.43

Finding the Fourth Proportional to 176,330.40, 243,338.78 and 99,847.43

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Solution

The fourth proportional to 176,330.40, 243,338.78 and 99,847.43 is: 137,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,330.40 : 243,338.78 = 99,847.43 : x
  2. Step 2: Convert to fraction form
    176,330.40/243,338.78 = 99,847.43/x
  3. Step 3: Cross multiply
    176,330.40x = 243,338.78 × 99,847.43
  4. Step 4: Simplify right side
    176,330.40x = 24,296,751,802.34
  5. Step 5: Solve for x
    x = 24,296,751,802.34/176,330.40
  6. Step 6: Final answer
    x = 137,791.05

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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.