Home / 170,261.64-255,407.04-70,402.68

Finding the Fourth Proportional to 170,261.64, 255,407.04 and 70,402.68

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Solution

The fourth proportional to 170,261.64, 255,407.04 and 70,402.68 is: 105,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,261.64 : 255,407.04 = 70,402.68 : x
  2. Step 2: Convert to fraction form
    170,261.64/255,407.04 = 70,402.68/x
  3. Step 3: Cross multiply
    170,261.64x = 255,407.04 × 70,402.68
  4. Step 4: Simplify right side
    170,261.64x = 17,981,340,106.87
  5. Step 5: Solve for x
    x = 17,981,340,106.87/170,261.64
  6. Step 6: Final answer
    x = 105,610.05

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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.