Home / 111,932.16-154,466.08-61,631.16

Finding the Fourth Proportional to 111,932.16, 154,466.08 and 61,631.16

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Solution

The fourth proportional to 111,932.16, 154,466.08 and 61,631.16 is: 85,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,932.16 : 154,466.08 = 61,631.16 : x
  2. Step 2: Convert to fraction form
    111,932.16/154,466.08 = 61,631.16/x
  3. Step 3: Cross multiply
    111,932.16x = 154,466.08 × 61,631.16
  4. Step 4: Simplify right side
    111,932.16x = 9,519,923,691.05
  5. Step 5: Solve for x
    x = 9,519,923,691.05/111,932.16
  6. Step 6: Final answer
    x = 85,050.84

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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.