Home / 153,178.40-229,767.72-48,005.54

Finding the Fourth Proportional to 153,178.40, 229,767.72 and 48,005.54

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Solution

The fourth proportional to 153,178.40, 229,767.72 and 48,005.54 is: 72,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,178.40 : 229,767.72 = 48,005.54 : x
  2. Step 2: Convert to fraction form
    153,178.40/229,767.72 = 48,005.54/x
  3. Step 3: Cross multiply
    153,178.40x = 229,767.72 × 48,005.54
  4. Step 4: Simplify right side
    153,178.40x = 11,030,123,473.17
  5. Step 5: Solve for x
    x = 11,030,123,473.17/153,178.40
  6. Step 6: Final answer
    x = 72,008.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.