Home / 212,729.02-293,566.10-115,932.90

Finding the Fourth Proportional to 212,729.02, 293,566.10 and 115,932.90

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Solution

The fourth proportional to 212,729.02, 293,566.10 and 115,932.90 is: 159,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,729.02 : 293,566.10 = 115,932.90 : x
  2. Step 2: Convert to fraction form
    212,729.02/293,566.10 = 115,932.90/x
  3. Step 3: Cross multiply
    212,729.02x = 293,566.10 × 115,932.90
  4. Step 4: Simplify right side
    212,729.02x = 34,033,969,314.69
  5. Step 5: Solve for x
    x = 34,033,969,314.69/212,729.02
  6. Step 6: Final answer
    x = 159,987.43

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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.