Home / 161,520.51-242,315.36-49,209.76

Finding the Fourth Proportional to 161,520.51, 242,315.36 and 49,209.76

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Solution

The fourth proportional to 161,520.51, 242,315.36 and 49,209.76 is: 73,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.51 : 242,315.36 = 49,209.76 : x
  2. Step 2: Convert to fraction form
    161,520.51/242,315.36 = 49,209.76/x
  3. Step 3: Cross multiply
    161,520.51x = 242,315.36 × 49,209.76
  4. Step 4: Simplify right side
    161,520.51x = 11,924,280,709.91
  5. Step 5: Solve for x
    x = 11,924,280,709.91/161,520.51
  6. Step 6: Final answer
    x = 73,825.18

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1.5x scale

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.