Home / 212,730.32-293,567.88-115,934.18

Finding the Fourth Proportional to 212,730.32, 293,567.88 and 115,934.18

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Solution

The fourth proportional to 212,730.32, 293,567.88 and 115,934.18 is: 159,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,730.32 : 293,567.88 = 115,934.18 : x
  2. Step 2: Convert to fraction form
    212,730.32/293,567.88 = 115,934.18/x
  3. Step 3: Cross multiply
    212,730.32x = 293,567.88 × 115,934.18
  4. Step 4: Simplify right side
    212,730.32x = 34,034,551,442.14
  5. Step 5: Solve for x
    x = 34,034,551,442.14/212,730.32
  6. Step 6: Final answer
    x = 159,989.19

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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.