Home / 111,179.04-153,425.60-60,878.08

Finding the Fourth Proportional to 111,179.04, 153,425.60 and 60,878.08

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Solution

The fourth proportional to 111,179.04, 153,425.60 and 60,878.08 is: 84,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,179.04 : 153,425.60 = 60,878.08 : x
  2. Step 2: Convert to fraction form
    111,179.04/153,425.60 = 60,878.08/x
  3. Step 3: Cross multiply
    111,179.04x = 153,425.60 × 60,878.08
  4. Step 4: Simplify right side
    111,179.04x = 9,340,255,950.85
  5. Step 5: Solve for x
    x = 9,340,255,950.85/111,179.04
  6. Step 6: Final answer
    x = 84,010.94

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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.