Home / 106,649.06-147,172.86-58,901.38

Finding the Fourth Proportional to 106,649.06, 147,172.86 and 58,901.38

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Solution

The fourth proportional to 106,649.06, 147,172.86 and 58,901.38 is: 81,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,649.06 : 147,172.86 = 58,901.38 : x
  2. Step 2: Convert to fraction form
    106,649.06/147,172.86 = 58,901.38/x
  3. Step 3: Cross multiply
    106,649.06x = 147,172.86 × 58,901.38
  4. Step 4: Simplify right side
    106,649.06x = 8,668,684,552.55
  5. Step 5: Solve for x
    x = 8,668,684,552.55/106,649.06
  6. Step 6: Final answer
    x = 81,282.33

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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.