Home / 111,476.24-153,832.20-61,174.16

Finding the Fourth Proportional to 111,476.24, 153,832.20 and 61,174.16

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Solution

The fourth proportional to 111,476.24, 153,832.20 and 61,174.16 is: 84,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,476.24 : 153,832.20 = 61,174.16 : x
  2. Step 2: Convert to fraction form
    111,476.24/153,832.20 = 61,174.16/x
  3. Step 3: Cross multiply
    111,476.24x = 153,832.20 × 61,174.16
  4. Step 4: Simplify right side
    111,476.24x = 9,410,555,615.95
  5. Step 5: Solve for x
    x = 9,410,555,615.95/111,476.24
  6. Step 6: Final answer
    x = 84,417.59

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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.