Home / 186,848.10-280,272.15-112,052.70

Finding the Fourth Proportional to 186,848.10, 280,272.15 and 112,052.70

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Solution

The fourth proportional to 186,848.10, 280,272.15 and 112,052.70 is: 168,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,848.10 : 280,272.15 = 112,052.70 : x
  2. Step 2: Convert to fraction form
    186,848.10/280,272.15 = 112,052.70/x
  3. Step 3: Cross multiply
    186,848.10x = 280,272.15 × 112,052.70
  4. Step 4: Simplify right side
    186,848.10x = 31,405,251,142.31
  5. Step 5: Solve for x
    x = 31,405,251,142.31/186,848.10
  6. Step 6: Final answer
    x = 168,079.05

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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.