Home / 146,691.81-202,370.40-112,640.22

Finding the Fourth Proportional to 146,691.81, 202,370.40 and 112,640.22

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Solution

The fourth proportional to 146,691.81, 202,370.40 and 112,640.22 is: 155,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,691.81 : 202,370.40 = 112,640.22 : x
  2. Step 2: Convert to fraction form
    146,691.81/202,370.40 = 112,640.22/x
  3. Step 3: Cross multiply
    146,691.81x = 202,370.40 × 112,640.22
  4. Step 4: Simplify right side
    146,691.81x = 22,795,046,377.49
  5. Step 5: Solve for x
    x = 22,795,046,377.49/146,691.81
  6. Step 6: Final answer
    x = 155,394.13

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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.