Home / 111,306.04-153,605.82-61,005.04

Finding the Fourth Proportional to 111,306.04, 153,605.82 and 61,005.04

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Solution

The fourth proportional to 111,306.04, 153,605.82 and 61,005.04 is: 84,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306.04 : 153,605.82 = 61,005.04 : x
  2. Step 2: Convert to fraction form
    111,306.04/153,605.82 = 61,005.04/x
  3. Step 3: Cross multiply
    111,306.04x = 153,605.82 × 61,005.04
  4. Step 4: Simplify right side
    111,306.04x = 9,370,729,193.33
  5. Step 5: Solve for x
    x = 9,370,729,193.33/111,306.04
  6. Step 6: Final answer
    x = 84,188.87

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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.