Home / 147,112.19-220,701.09-53,617.94

Finding the Fourth Proportional to 147,112.19, 220,701.09 and 53,617.94

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Solution

The fourth proportional to 147,112.19, 220,701.09 and 53,617.94 is: 80,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,112.19 : 220,701.09 = 53,617.94 : x
  2. Step 2: Convert to fraction form
    147,112.19/220,701.09 = 53,617.94/x
  3. Step 3: Cross multiply
    147,112.19x = 220,701.09 × 53,617.94
  4. Step 4: Simplify right side
    147,112.19x = 11,833,537,801.55
  5. Step 5: Solve for x
    x = 11,833,537,801.55/147,112.19
  6. Step 6: Final answer
    x = 80,438.87

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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.