Home / 154,666.13-213,438.78-94,236.75

Finding the Fourth Proportional to 154,666.13, 213,438.78 and 94,236.75

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Solution

The fourth proportional to 154,666.13, 213,438.78 and 94,236.75 is: 130,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,666.13 : 213,438.78 = 94,236.75 : x
  2. Step 2: Convert to fraction form
    154,666.13/213,438.78 = 94,236.75/x
  3. Step 3: Cross multiply
    154,666.13x = 213,438.78 × 94,236.75
  4. Step 4: Simplify right side
    154,666.13x = 20,113,776,951.17
  5. Step 5: Solve for x
    x = 20,113,776,951.17/154,666.13
  6. Step 6: Final answer
    x = 130,046.43

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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.