Home / 212,876.06-293,769.44-117,381.92

Finding the Fourth Proportional to 212,876.06, 293,769.44 and 117,381.92

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Solution

The fourth proportional to 212,876.06, 293,769.44 and 117,381.92 is: 161,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,876.06 : 293,769.44 = 117,381.92 : x
  2. Step 2: Convert to fraction form
    212,876.06/293,769.44 = 117,381.92/x
  3. Step 3: Cross multiply
    212,876.06x = 293,769.44 × 117,381.92
  4. Step 4: Simplify right side
    212,876.06x = 34,483,220,904.52
  5. Step 5: Solve for x
    x = 34,483,220,904.52/212,876.06
  6. Step 6: Final answer
    x = 161,987.31

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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.