Home / 102,619.80-141,647.58-60,195.48

Finding the Fourth Proportional to 102,619.80, 141,647.58 and 60,195.48

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Solution

The fourth proportional to 102,619.80, 141,647.58 and 60,195.48 is: 83,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,619.80 : 141,647.58 = 60,195.48 : x
  2. Step 2: Convert to fraction form
    102,619.80/141,647.58 = 60,195.48/x
  3. Step 3: Cross multiply
    102,619.80x = 141,647.58 × 60,195.48
  4. Step 4: Simplify right side
    102,619.80x = 8,526,544,068.94
  5. Step 5: Solve for x
    x = 8,526,544,068.94/102,619.80
  6. Step 6: Final answer
    x = 83,088.68

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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.