Home / 158,137.10-218,207.67-94,461.38

Finding the Fourth Proportional to 158,137.10, 218,207.67 and 94,461.38

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Solution

The fourth proportional to 158,137.10, 218,207.67 and 94,461.38 is: 130,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,137.10 : 218,207.67 = 94,461.38 : x
  2. Step 2: Convert to fraction form
    158,137.10/218,207.67 = 94,461.38/x
  3. Step 3: Cross multiply
    158,137.10x = 218,207.67 × 94,461.38
  4. Step 4: Simplify right side
    158,137.10x = 20,612,197,634.78
  5. Step 5: Solve for x
    x = 20,612,197,634.78/158,137.10
  6. Step 6: Final answer
    x = 130,343.84

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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.