Home / 106,918.79-147,550.21-59,174.15

Finding the Fourth Proportional to 106,918.79, 147,550.21 and 59,174.15

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Solution

The fourth proportional to 106,918.79, 147,550.21 and 59,174.15 is: 81,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,918.79 : 147,550.21 = 59,174.15 : x
  2. Step 2: Convert to fraction form
    106,918.79/147,550.21 = 59,174.15/x
  3. Step 3: Cross multiply
    106,918.79x = 147,550.21 × 59,174.15
  4. Step 4: Simplify right side
    106,918.79x = 8,731,157,373.39
  5. Step 5: Solve for x
    x = 8,731,157,373.39/106,918.79
  6. Step 6: Final answer
    x = 81,661.58

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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.