Home / 157,660.10-236,490.15-74,716.10

Finding the Fourth Proportional to 157,660.10, 236,490.15 and 74,716.10

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Solution

The fourth proportional to 157,660.10, 236,490.15 and 74,716.10 is: 112,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,660.10 : 236,490.15 = 74,716.10 : x
  2. Step 2: Convert to fraction form
    157,660.10/236,490.15 = 74,716.10/x
  3. Step 3: Cross multiply
    157,660.10x = 236,490.15 × 74,716.10
  4. Step 4: Simplify right side
    157,660.10x = 17,669,621,696.42
  5. Step 5: Solve for x
    x = 17,669,621,696.42/157,660.10
  6. Step 6: Final answer
    x = 112,074.15

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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.