Home / 157,803.78-236,705.57-39,475.03

Finding the Fourth Proportional to 157,803.78, 236,705.57 and 39,475.03

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Solution

The fourth proportional to 157,803.78, 236,705.57 and 39,475.03 is: 59,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,803.78 : 236,705.57 = 39,475.03 : x
  2. Step 2: Convert to fraction form
    157,803.78/236,705.57 = 39,475.03/x
  3. Step 3: Cross multiply
    157,803.78x = 236,705.57 × 39,475.03
  4. Step 4: Simplify right side
    157,803.78x = 9,343,959,476.92
  5. Step 5: Solve for x
    x = 9,343,959,476.92/157,803.78
  6. Step 6: Final answer
    x = 59,212.52

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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.