Home / 135,440.40-186,815.25-92,925.12

Finding the Fourth Proportional to 135,440.40, 186,815.25 and 92,925.12

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Solution

The fourth proportional to 135,440.40, 186,815.25 and 92,925.12 is: 128,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,440.40 : 186,815.25 = 92,925.12 : x
  2. Step 2: Convert to fraction form
    135,440.40/186,815.25 = 92,925.12/x
  3. Step 3: Cross multiply
    135,440.40x = 186,815.25 × 92,925.12
  4. Step 4: Simplify right side
    135,440.40x = 17,359,829,524.08
  5. Step 5: Solve for x
    x = 17,359,829,524.08/135,440.40
  6. Step 6: Final answer
    x = 128,173.20

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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.