Home / 157,168.72-235,750.77-38,840.06

Finding the Fourth Proportional to 157,168.72, 235,750.77 and 38,840.06

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Solution

The fourth proportional to 157,168.72, 235,750.77 and 38,840.06 is: 58,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168.72 : 235,750.77 = 38,840.06 : x
  2. Step 2: Convert to fraction form
    157,168.72/235,750.77 = 38,840.06/x
  3. Step 3: Cross multiply
    157,168.72x = 235,750.77 × 38,840.06
  4. Step 4: Simplify right side
    157,168.72x = 9,156,572,873.09
  5. Step 5: Solve for x
    x = 9,156,572,873.09/157,168.72
  6. Step 6: Final answer
    x = 58,259.51

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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.