Home / 103,252.98-142,539.17-69,249.05

Finding the Fourth Proportional to 103,252.98, 142,539.17 and 69,249.05

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Solution

The fourth proportional to 103,252.98, 142,539.17 and 69,249.05 is: 95,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,252.98 : 142,539.17 = 69,249.05 : x
  2. Step 2: Convert to fraction form
    103,252.98/142,539.17 = 69,249.05/x
  3. Step 3: Cross multiply
    103,252.98x = 142,539.17 × 69,249.05
  4. Step 4: Simplify right side
    103,252.98x = 9,870,702,110.29
  5. Step 5: Solve for x
    x = 9,870,702,110.29/103,252.98
  6. Step 6: Final answer
    x = 95,597.26

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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.