Home / 127,959.29-176,640.45-82,659.36

Finding the Fourth Proportional to 127,959.29, 176,640.45 and 82,659.36

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Solution

The fourth proportional to 127,959.29, 176,640.45 and 82,659.36 is: 114,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,959.29 : 176,640.45 = 82,659.36 : x
  2. Step 2: Convert to fraction form
    127,959.29/176,640.45 = 82,659.36/x
  3. Step 3: Cross multiply
    127,959.29x = 176,640.45 × 82,659.36
  4. Step 4: Simplify right side
    127,959.29x = 14,600,986,547.11
  5. Step 5: Solve for x
    x = 14,600,986,547.11/127,959.29
  6. Step 6: Final answer
    x = 114,106.50

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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.