Home / 170,219.13-255,305.70-70,365.46

Finding the Fourth Proportional to 170,219.13, 255,305.70 and 70,365.46

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Solution

The fourth proportional to 170,219.13, 255,305.70 and 70,365.46 is: 105,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,219.13 : 255,305.70 = 70,365.46 : x
  2. Step 2: Convert to fraction form
    170,219.13/255,305.70 = 70,365.46/x
  3. Step 3: Cross multiply
    170,219.13x = 255,305.70 × 70,365.46
  4. Step 4: Simplify right side
    170,219.13x = 17,964,703,021.12
  5. Step 5: Solve for x
    x = 17,964,703,021.12/170,219.13
  6. Step 6: Final answer
    x = 105,538.68

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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.