Home / 102,620.26-141,639.58-60,192.46

Finding the Fourth Proportional to 102,620.26, 141,639.58 and 60,192.46

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Solution

The fourth proportional to 102,620.26, 141,639.58 and 60,192.46 is: 83,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,620.26 : 141,639.58 = 60,192.46 : x
  2. Step 2: Convert to fraction form
    102,620.26/141,639.58 = 60,192.46/x
  3. Step 3: Cross multiply
    102,620.26x = 141,639.58 × 60,192.46
  4. Step 4: Simplify right side
    102,620.26x = 8,525,634,753.57
  5. Step 5: Solve for x
    x = 8,525,634,753.57/102,620.26
  6. Step 6: Final answer
    x = 83,079.45

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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.