Home / 157,505.02-236,394.05-82,678.03

Finding the Fourth Proportional to 157,505.02, 236,394.05 and 82,678.03

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Solution

The fourth proportional to 157,505.02, 236,394.05 and 82,678.03 is: 124,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,505.02 : 236,394.05 = 82,678.03 : x
  2. Step 2: Convert to fraction form
    157,505.02/236,394.05 = 82,678.03/x
  3. Step 3: Cross multiply
    157,505.02x = 236,394.05 × 82,678.03
  4. Step 4: Simplify right side
    157,505.02x = 19,544,594,357.72
  5. Step 5: Solve for x
    x = 19,544,594,357.72/157,505.02
  6. Step 6: Final answer
    x = 124,088.71

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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.