Home / 157,837.50-236,873.13-74,731.74

Finding the Fourth Proportional to 157,837.50, 236,873.13 and 74,731.74

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Solution

The fourth proportional to 157,837.50, 236,873.13 and 74,731.74 is: 112,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,837.50 : 236,873.13 = 74,731.74 : x
  2. Step 2: Convert to fraction form
    157,837.50/236,873.13 = 74,731.74/x
  3. Step 3: Cross multiply
    157,837.50x = 236,873.13 × 74,731.74
  4. Step 4: Simplify right side
    157,837.50x = 17,701,941,164.15
  5. Step 5: Solve for x
    x = 17,701,941,164.15/157,837.50
  6. Step 6: Final answer
    x = 112,152.95

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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.