Home / 111,966.59-154,511.56-60,980.22

Finding the Fourth Proportional to 111,966.59, 154,511.56 and 60,980.22

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Solution

The fourth proportional to 111,966.59, 154,511.56 and 60,980.22 is: 84,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966.59 : 154,511.56 = 60,980.22 : x
  2. Step 2: Convert to fraction form
    111,966.59/154,511.56 = 60,980.22/x
  3. Step 3: Cross multiply
    111,966.59x = 154,511.56 × 60,980.22
  4. Step 4: Simplify right side
    111,966.59x = 9,422,148,921.34
  5. Step 5: Solve for x
    x = 9,422,148,921.34/111,966.59
  6. Step 6: Final answer
    x = 84,151.43

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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.