Home / 157,325.48-235,800.80-90,627.45

Finding the Fourth Proportional to 157,325.48, 235,800.80 and 90,627.45

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Solution

The fourth proportional to 157,325.48, 235,800.80 and 90,627.45 is: 135,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,325.48 : 235,800.80 = 90,627.45 : x
  2. Step 2: Convert to fraction form
    157,325.48/235,800.80 = 90,627.45/x
  3. Step 3: Cross multiply
    157,325.48x = 235,800.80 × 90,627.45
  4. Step 4: Simplify right side
    157,325.48x = 21,370,025,211.96
  5. Step 5: Solve for x
    x = 21,370,025,211.96/157,325.48
  6. Step 6: Final answer
    x = 135,833.21

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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.