Home / 157,049.60-234,998.40-115,577.60

Finding the Fourth Proportional to 157,049.60, 234,998.40 and 115,577.60

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Solution

The fourth proportional to 157,049.60, 234,998.40 and 115,577.60 is: 172,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,049.60 : 234,998.40 = 115,577.60 : x
  2. Step 2: Convert to fraction form
    157,049.60/234,998.40 = 115,577.60/x
  3. Step 3: Cross multiply
    157,049.60x = 234,998.40 × 115,577.60
  4. Step 4: Simplify right side
    157,049.60x = 27,160,551,075.84
  5. Step 5: Solve for x
    x = 27,160,551,075.84/157,049.60
  6. Step 6: Final answer
    x = 172,942.50

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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.