Home / 111,202.51-153,459.66-62,144.13

Finding the Fourth Proportional to 111,202.51, 153,459.66 and 62,144.13

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Solution

The fourth proportional to 111,202.51, 153,459.66 and 62,144.13 is: 85,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,202.51 : 153,459.66 = 62,144.13 : x
  2. Step 2: Convert to fraction form
    111,202.51/153,459.66 = 62,144.13/x
  3. Step 3: Cross multiply
    111,202.51x = 153,459.66 × 62,144.13
  4. Step 4: Simplify right side
    111,202.51x = 9,536,616,718.36
  5. Step 5: Solve for x
    x = 9,536,616,718.36/111,202.51
  6. Step 6: Final answer
    x = 85,759.01

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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.