Home / 157,902.12-236,857.50-52,717.32

Finding the Fourth Proportional to 157,902.12, 236,857.50 and 52,717.32

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Solution

The fourth proportional to 157,902.12, 236,857.50 and 52,717.32 is: 79,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,902.12 : 236,857.50 = 52,717.32 : x
  2. Step 2: Convert to fraction form
    157,902.12/236,857.50 = 52,717.32/x
  3. Step 3: Cross multiply
    157,902.12x = 236,857.50 × 52,717.32
  4. Step 4: Simplify right side
    157,902.12x = 12,486,492,621.90
  5. Step 5: Solve for x
    x = 12,486,492,621.90/157,902.12
  6. Step 6: Final answer
    x = 79,077.42

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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.