Home / 99,686.33-148,893.98-90,184.13

Finding the Fourth Proportional to 99,686.33, 148,893.98 and 90,184.13

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Solution

The fourth proportional to 99,686.33, 148,893.98 and 90,184.13 is: 134,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.33 : 148,893.98 = 90,184.13 : x
  2. Step 2: Convert to fraction form
    99,686.33/148,893.98 = 90,184.13/x
  3. Step 3: Cross multiply
    99,686.33x = 148,893.98 × 90,184.13
  4. Step 4: Simplify right side
    99,686.33x = 13,427,874,048.54
  5. Step 5: Solve for x
    x = 13,427,874,048.54/99,686.33
  6. Step 6: Final answer
    x = 134,701.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.