Home / 113,864.10-170,796.15-112,308.90

Finding the Fourth Proportional to 113,864.10, 170,796.15 and 112,308.90

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Solution

The fourth proportional to 113,864.10, 170,796.15 and 112,308.90 is: 168,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,864.10 : 170,796.15 = 112,308.90 : x
  2. Step 2: Convert to fraction form
    113,864.10/170,796.15 = 112,308.90/x
  3. Step 3: Cross multiply
    113,864.10x = 170,796.15 × 112,308.90
  4. Step 4: Simplify right side
    113,864.10x = 19,181,927,730.74
  5. Step 5: Solve for x
    x = 19,181,927,730.74/113,864.10
  6. Step 6: Final answer
    x = 168,463.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.