Home / 111,371.84-153,690.40-60,381.76

Finding the Fourth Proportional to 111,371.84, 153,690.40 and 60,381.76

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Solution

The fourth proportional to 111,371.84, 153,690.40 and 60,381.76 is: 83,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.84 : 153,690.40 = 60,381.76 : x
  2. Step 2: Convert to fraction form
    111,371.84/153,690.40 = 60,381.76/x
  3. Step 3: Cross multiply
    111,371.84x = 153,690.40 × 60,381.76
  4. Step 4: Simplify right side
    111,371.84x = 9,280,096,847.10
  5. Step 5: Solve for x
    x = 9,280,096,847.10/111,371.84
  6. Step 6: Final answer
    x = 83,325.34

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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.