Home / 107,381.84-148,190.33-64,347.15

Finding the Fourth Proportional to 107,381.84, 148,190.33 and 64,347.15

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Solution

The fourth proportional to 107,381.84, 148,190.33 and 64,347.15 is: 88,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.84 : 148,190.33 = 64,347.15 : x
  2. Step 2: Convert to fraction form
    107,381.84/148,190.33 = 64,347.15/x
  3. Step 3: Cross multiply
    107,381.84x = 148,190.33 × 64,347.15
  4. Step 4: Simplify right side
    107,381.84x = 9,535,625,553.93
  5. Step 5: Solve for x
    x = 9,535,625,553.93/107,381.84
  6. Step 6: Final answer
    x = 88,801.10

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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.