Home / 157,338.70-235,920.56-52,100.26

Finding the Fourth Proportional to 157,338.70, 235,920.56 and 52,100.26

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Solution

The fourth proportional to 157,338.70, 235,920.56 and 52,100.26 is: 78,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,338.70 : 235,920.56 = 52,100.26 : x
  2. Step 2: Convert to fraction form
    157,338.70/235,920.56 = 52,100.26/x
  3. Step 3: Cross multiply
    157,338.70x = 235,920.56 × 52,100.26
  4. Step 4: Simplify right side
    157,338.70x = 12,291,522,515.35
  5. Step 5: Solve for x
    x = 12,291,522,515.35/157,338.70
  6. Step 6: Final answer
    x = 78,121.42

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1.5x scale

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.