Home / 213,013.72-293,956.98-117,521.16

Finding the Fourth Proportional to 213,013.72, 293,956.98 and 117,521.16

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Solution

The fourth proportional to 213,013.72, 293,956.98 and 117,521.16 is: 162,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,013.72 : 293,956.98 = 117,521.16 : x
  2. Step 2: Convert to fraction form
    213,013.72/293,956.98 = 117,521.16/x
  3. Step 3: Cross multiply
    213,013.72x = 293,956.98 × 117,521.16
  4. Step 4: Simplify right side
    213,013.72x = 34,546,165,279.70
  5. Step 5: Solve for x
    x = 34,546,165,279.70/213,013.72
  6. Step 6: Final answer
    x = 162,178.12

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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.