Home / 170,801.24-256,358.10-86,619.50

Finding the Fourth Proportional to 170,801.24, 256,358.10 and 86,619.50

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Solution

The fourth proportional to 170,801.24, 256,358.10 and 86,619.50 is: 130,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,801.24 : 256,358.10 = 86,619.50 : x
  2. Step 2: Convert to fraction form
    170,801.24/256,358.10 = 86,619.50/x
  3. Step 3: Cross multiply
    170,801.24x = 256,358.10 × 86,619.50
  4. Step 4: Simplify right side
    170,801.24x = 22,205,610,442.95
  5. Step 5: Solve for x
    x = 22,205,610,442.95/170,801.24
  6. Step 6: Final answer
    x = 130,008.48

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1.5x scale

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.