Home / 97,168.72-134,154.74-79,306.34

Finding the Fourth Proportional to 97,168.72, 134,154.74 and 79,306.34

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Solution

The fourth proportional to 97,168.72, 134,154.74 and 79,306.34 is: 109,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,168.72 : 134,154.74 = 79,306.34 : x
  2. Step 2: Convert to fraction form
    97,168.72/134,154.74 = 79,306.34/x
  3. Step 3: Cross multiply
    97,168.72x = 134,154.74 × 79,306.34
  4. Step 4: Simplify right side
    97,168.72x = 10,639,321,423.05
  5. Step 5: Solve for x
    x = 10,639,321,423.05/97,168.72
  6. Step 6: Final answer
    x = 109,493.28

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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.