Home / 212,290.65-292,961.63-116,803.29

Finding the Fourth Proportional to 212,290.65, 292,961.63 and 116,803.29

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Solution

The fourth proportional to 212,290.65, 292,961.63 and 116,803.29 is: 161,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,290.65 : 292,961.63 = 116,803.29 : x
  2. Step 2: Convert to fraction form
    212,290.65/292,961.63 = 116,803.29/x
  3. Step 3: Cross multiply
    212,290.65x = 292,961.63 × 116,803.29
  4. Step 4: Simplify right side
    212,290.65x = 34,218,881,643.75
  5. Step 5: Solve for x
    x = 34,218,881,643.75/212,290.65
  6. Step 6: Final answer
    x = 161,188.83

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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.