Home / 157,525.20-236,287.80-98,427.60

Finding the Fourth Proportional to 157,525.20, 236,287.80 and 98,427.60

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Solution

The fourth proportional to 157,525.20, 236,287.80 and 98,427.60 is: 147,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,525.20 : 236,287.80 = 98,427.60 : x
  2. Step 2: Convert to fraction form
    157,525.20/236,287.80 = 98,427.60/x
  3. Step 3: Cross multiply
    157,525.20x = 236,287.80 × 98,427.60
  4. Step 4: Simplify right side
    157,525.20x = 23,257,241,063.28
  5. Step 5: Solve for x
    x = 23,257,241,063.28/157,525.20
  6. Step 6: Final answer
    x = 147,641.40

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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.