Home / 111,282.24-153,564.48-60,980.16

Finding the Fourth Proportional to 111,282.24, 153,564.48 and 60,980.16

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Solution

The fourth proportional to 111,282.24, 153,564.48 and 60,980.16 is: 84,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282.24 : 153,564.48 = 60,980.16 : x
  2. Step 2: Convert to fraction form
    111,282.24/153,564.48 = 60,980.16/x
  3. Step 3: Cross multiply
    111,282.24x = 153,564.48 × 60,980.16
  4. Step 4: Simplify right side
    111,282.24x = 9,364,386,560.72
  5. Step 5: Solve for x
    x = 9,364,386,560.72/111,282.24
  6. Step 6: Final answer
    x = 84,149.87

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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.