Home / 157,081.80-235,622.70-112,795.05

Finding the Fourth Proportional to 157,081.80, 235,622.70 and 112,795.05

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Solution

The fourth proportional to 157,081.80, 235,622.70 and 112,795.05 is: 169,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,081.80 : 235,622.70 = 112,795.05 : x
  2. Step 2: Convert to fraction form
    157,081.80/235,622.70 = 112,795.05/x
  3. Step 3: Cross multiply
    157,081.80x = 235,622.70 × 112,795.05
  4. Step 4: Simplify right side
    157,081.80x = 26,577,074,227.64
  5. Step 5: Solve for x
    x = 26,577,074,227.64/157,081.80
  6. Step 6: Final answer
    x = 169,192.58

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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.