Home / 157,421.18-236,201.43-82,523.50

Finding the Fourth Proportional to 157,421.18, 236,201.43 and 82,523.50

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Solution

The fourth proportional to 157,421.18, 236,201.43 and 82,523.50 is: 123,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,421.18 : 236,201.43 = 82,523.50 : x
  2. Step 2: Convert to fraction form
    157,421.18/236,201.43 = 82,523.50/x
  3. Step 3: Cross multiply
    157,421.18x = 236,201.43 × 82,523.50
  4. Step 4: Simplify right side
    157,421.18x = 19,492,168,708.61
  5. Step 5: Solve for x
    x = 19,492,168,708.61/157,421.18
  6. Step 6: Final answer
    x = 123,821.77

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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.