Home / 111,754.07-154,220.81-60,766.76

Finding the Fourth Proportional to 111,754.07, 154,220.81 and 60,766.76

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Solution

The fourth proportional to 111,754.07, 154,220.81 and 60,766.76 is: 83,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,754.07 : 154,220.81 = 60,766.76 : x
  2. Step 2: Convert to fraction form
    111,754.07/154,220.81 = 60,766.76/x
  3. Step 3: Cross multiply
    111,754.07x = 154,220.81 × 60,766.76
  4. Step 4: Simplify right side
    111,754.07x = 9,371,497,873.34
  5. Step 5: Solve for x
    x = 9,371,497,873.34/111,754.07
  6. Step 6: Final answer
    x = 83,858.22

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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.