Home / 111,150.14-153,387-60,162.84

Finding the Fourth Proportional to 111,150.14, 153,387 and 60,162.84

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Solution

The fourth proportional to 111,150.14, 153,387 and 60,162.84 is: 83,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,150.14 : 153,387 = 60,162.84 : x
  2. Step 2: Convert to fraction form
    111,150.14/153,387 = 60,162.84/x
  3. Step 3: Cross multiply
    111,150.14x = 153,387 × 60,162.84
  4. Step 4: Simplify right side
    111,150.14x = 9,228,197,539.08
  5. Step 5: Solve for x
    x = 9,228,197,539.08/111,150.14
  6. Step 6: Final answer
    x = 83,024.62

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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.