Home / 157,590.20-236,385.30-155,257.40

Finding the Fourth Proportional to 157,590.20, 236,385.30 and 155,257.40

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Solution

The fourth proportional to 157,590.20, 236,385.30 and 155,257.40 is: 232,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,590.20 : 236,385.30 = 155,257.40 : x
  2. Step 2: Convert to fraction form
    157,590.20/236,385.30 = 155,257.40/x
  3. Step 3: Cross multiply
    157,590.20x = 236,385.30 × 155,257.40
  4. Step 4: Simplify right side
    157,590.20x = 36,700,567,076.22
  5. Step 5: Solve for x
    x = 36,700,567,076.22/157,590.20
  6. Step 6: Final answer
    x = 232,886.10

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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.