Home / 170,434.32-235,624.51-127,919.04

Finding the Fourth Proportional to 170,434.32, 235,624.51 and 127,919.04

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Solution

The fourth proportional to 170,434.32, 235,624.51 and 127,919.04 is: 176,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,434.32 : 235,624.51 = 127,919.04 : x
  2. Step 2: Convert to fraction form
    170,434.32/235,624.51 = 127,919.04/x
  3. Step 3: Cross multiply
    170,434.32x = 235,624.51 × 127,919.04
  4. Step 4: Simplify right side
    170,434.32x = 30,140,859,941.55
  5. Step 5: Solve for x
    x = 30,140,859,941.55/170,434.32
  6. Step 6: Final answer
    x = 176,847.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.