Home / 106,645.36-147,173.88-58,901.80

Finding the Fourth Proportional to 106,645.36, 147,173.88 and 58,901.80

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Solution

The fourth proportional to 106,645.36, 147,173.88 and 58,901.80 is: 81,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,645.36 : 147,173.88 = 58,901.80 : x
  2. Step 2: Convert to fraction form
    106,645.36/147,173.88 = 58,901.80/x
  3. Step 3: Cross multiply
    106,645.36x = 147,173.88 × 58,901.80
  4. Step 4: Simplify right side
    106,645.36x = 8,668,806,444.98
  5. Step 5: Solve for x
    x = 8,668,806,444.98/106,645.36
  6. Step 6: Final answer
    x = 81,286.30

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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.