Home / 111,836.22-154,344.90-83,492.70

Finding the Fourth Proportional to 111,836.22, 154,344.90 and 83,492.70

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Solution

The fourth proportional to 111,836.22, 154,344.90 and 83,492.70 is: 115,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,836.22 : 154,344.90 = 83,492.70 : x
  2. Step 2: Convert to fraction form
    111,836.22/154,344.90 = 83,492.70/x
  3. Step 3: Cross multiply
    111,836.22x = 154,344.90 × 83,492.70
  4. Step 4: Simplify right side
    111,836.22x = 12,886,672,432.23
  5. Step 5: Solve for x
    x = 12,886,672,432.23/111,836.22
  6. Step 6: Final answer
    x = 115,228.08

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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.