Home / 121,453.40-182,126.56-54,890.84

Finding the Fourth Proportional to 121,453.40, 182,126.56 and 54,890.84

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Solution

The fourth proportional to 121,453.40, 182,126.56 and 54,890.84 is: 82,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453.40 : 182,126.56 = 54,890.84 : x
  2. Step 2: Convert to fraction form
    121,453.40/182,126.56 = 54,890.84/x
  3. Step 3: Cross multiply
    121,453.40x = 182,126.56 × 54,890.84
  4. Step 4: Simplify right side
    121,453.40x = 9,997,079,864.71
  5. Step 5: Solve for x
    x = 9,997,079,864.71/121,453.40
  6. Step 6: Final answer
    x = 82,312.06

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1.5x scale

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.