Home / 129,570.24-194,384.88-40,823.28

Finding the Fourth Proportional to 129,570.24, 194,384.88 and 40,823.28

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Solution

The fourth proportional to 129,570.24, 194,384.88 and 40,823.28 is: 61,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,570.24 : 194,384.88 = 40,823.28 : x
  2. Step 2: Convert to fraction form
    129,570.24/194,384.88 = 40,823.28/x
  3. Step 3: Cross multiply
    129,570.24x = 194,384.88 × 40,823.28
  4. Step 4: Simplify right side
    129,570.24x = 7,935,428,384.01
  5. Step 5: Solve for x
    x = 7,935,428,384.01/129,570.24
  6. Step 6: Final answer
    x = 61,244.22

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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.