Home / 170,426.19-235,613.31-127,910.91

Finding the Fourth Proportional to 170,426.19, 235,613.31 and 127,910.91

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Solution

The fourth proportional to 170,426.19, 235,613.31 and 127,910.91 is: 176,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,426.19 : 235,613.31 = 127,910.91 : x
  2. Step 2: Convert to fraction form
    170,426.19/235,613.31 = 127,910.91/x
  3. Step 3: Cross multiply
    170,426.19x = 235,613.31 × 127,910.91
  4. Step 4: Simplify right side
    170,426.19x = 30,137,512,890.21
  5. Step 5: Solve for x
    x = 30,137,512,890.21/170,426.19
  6. Step 6: Final answer
    x = 176,836.16

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1.5x scale

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.