Home / 129,670.16-194,126.96-79,598.45

Finding the Fourth Proportional to 129,670.16, 194,126.96 and 79,598.45

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Solution

The fourth proportional to 129,670.16, 194,126.96 and 79,598.45 is: 119,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,670.16 : 194,126.96 = 79,598.45 : x
  2. Step 2: Convert to fraction form
    129,670.16/194,126.96 = 79,598.45/x
  3. Step 3: Cross multiply
    129,670.16x = 194,126.96 × 79,598.45
  4. Step 4: Simplify right side
    129,670.16x = 15,452,205,803.53
  5. Step 5: Solve for x
    x = 15,452,205,803.53/129,670.16
  6. Step 6: Final answer
    x = 119,165.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.