Home / 191,748.20-287,622.30-162,223.70

Finding the Fourth Proportional to 191,748.20, 287,622.30 and 162,223.70

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Solution

The fourth proportional to 191,748.20, 287,622.30 and 162,223.70 is: 243,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,748.20 : 287,622.30 = 162,223.70 : x
  2. Step 2: Convert to fraction form
    191,748.20/287,622.30 = 162,223.70/x
  3. Step 3: Cross multiply
    191,748.20x = 287,622.30 × 162,223.70
  4. Step 4: Simplify right side
    191,748.20x = 46,659,153,708.51
  5. Step 5: Solve for x
    x = 46,659,153,708.51/191,748.20
  6. Step 6: Final answer
    x = 243,335.55

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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.