Home / 157,981.14-236,972.16-45,670.50

Finding the Fourth Proportional to 157,981.14, 236,972.16 and 45,670.50

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Solution

The fourth proportional to 157,981.14, 236,972.16 and 45,670.50 is: 68,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,981.14 : 236,972.16 = 45,670.50 : x
  2. Step 2: Convert to fraction form
    157,981.14/236,972.16 = 45,670.50/x
  3. Step 3: Cross multiply
    157,981.14x = 236,972.16 × 45,670.50
  4. Step 4: Simplify right side
    157,981.14x = 10,822,637,033.28
  5. Step 5: Solve for x
    x = 10,822,637,033.28/157,981.14
  6. Step 6: Final answer
    x = 68,505.88

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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.