Home / 146,648.07-202,061.79-98,818.38

Finding the Fourth Proportional to 146,648.07, 202,061.79 and 98,818.38

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Solution

The fourth proportional to 146,648.07, 202,061.79 and 98,818.38 is: 136,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,648.07 : 202,061.79 = 98,818.38 : x
  2. Step 2: Convert to fraction form
    146,648.07/202,061.79 = 98,818.38/x
  3. Step 3: Cross multiply
    146,648.07x = 202,061.79 × 98,818.38
  4. Step 4: Simplify right side
    146,648.07x = 19,967,418,747.70
  5. Step 5: Solve for x
    x = 19,967,418,747.70/146,648.07
  6. Step 6: Final answer
    x = 136,158.76

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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.