Home / 170,828.40-235,725.27-99,194.40

Finding the Fourth Proportional to 170,828.40, 235,725.27 and 99,194.40

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Solution

The fourth proportional to 170,828.40, 235,725.27 and 99,194.40 is: 136,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,828.40 : 235,725.27 = 99,194.40 : x
  2. Step 2: Convert to fraction form
    170,828.40/235,725.27 = 99,194.40/x
  3. Step 3: Cross multiply
    170,828.40x = 235,725.27 × 99,194.40
  4. Step 4: Simplify right side
    170,828.40x = 23,382,626,722.49
  5. Step 5: Solve for x
    x = 23,382,626,722.49/170,828.40
  6. Step 6: Final answer
    x = 136,877.87

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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.