Home / 120,547.85-166,356.65-69,562.73

Finding the Fourth Proportional to 120,547.85, 166,356.65 and 69,562.73

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Solution

The fourth proportional to 120,547.85, 166,356.65 and 69,562.73 is: 95,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547.85 : 166,356.65 = 69,562.73 : x
  2. Step 2: Convert to fraction form
    120,547.85/166,356.65 = 69,562.73/x
  3. Step 3: Cross multiply
    120,547.85x = 166,356.65 × 69,562.73
  4. Step 4: Simplify right side
    120,547.85x = 11,572,223,317.45
  5. Step 5: Solve for x
    x = 11,572,223,317.45/120,547.85
  6. Step 6: Final answer
    x = 95,996.93

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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.