Home / 138,972.32-191,847.92-93,110.93

Finding the Fourth Proportional to 138,972.32, 191,847.92 and 93,110.93

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Solution

The fourth proportional to 138,972.32, 191,847.92 and 93,110.93 is: 128,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,972.32 : 191,847.92 = 93,110.93 : x
  2. Step 2: Convert to fraction form
    138,972.32/191,847.92 = 93,110.93/x
  3. Step 3: Cross multiply
    138,972.32x = 191,847.92 × 93,110.93
  4. Step 4: Simplify right side
    138,972.32x = 17,863,136,824.97
  5. Step 5: Solve for x
    x = 17,863,136,824.97/138,972.32
  6. Step 6: Final answer
    x = 128,537.38

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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.