Home / 157,020.30-235,530.45-112,733.55

Finding the Fourth Proportional to 157,020.30, 235,530.45 and 112,733.55

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Solution

The fourth proportional to 157,020.30, 235,530.45 and 112,733.55 is: 169,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,020.30 : 235,530.45 = 112,733.55 : x
  2. Step 2: Convert to fraction form
    157,020.30/235,530.45 = 112,733.55/x
  3. Step 3: Cross multiply
    157,020.30x = 235,530.45 × 112,733.55
  4. Step 4: Simplify right side
    157,020.30x = 26,552,183,761.60
  5. Step 5: Solve for x
    x = 26,552,183,761.60/157,020.30
  6. Step 6: Final answer
    x = 169,100.33

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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.