Home / 176,309.28-243,329.04-109,251.36

Finding the Fourth Proportional to 176,309.28, 243,329.04 and 109,251.36

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Solution

The fourth proportional to 176,309.28, 243,329.04 and 109,251.36 is: 150,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,309.28 : 243,329.04 = 109,251.36 : x
  2. Step 2: Convert to fraction form
    176,309.28/243,329.04 = 109,251.36/x
  3. Step 3: Cross multiply
    176,309.28x = 243,329.04 × 109,251.36
  4. Step 4: Simplify right side
    176,309.28x = 26,584,028,547.49
  5. Step 5: Solve for x
    x = 26,584,028,547.49/176,309.28
  6. Step 6: Final answer
    x = 150,780.65

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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.