Home / 170,034.47-255,080.75-70,140.05

Finding the Fourth Proportional to 170,034.47, 255,080.75 and 70,140.05

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Solution

The fourth proportional to 170,034.47, 255,080.75 and 70,140.05 is: 105,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,034.47 : 255,080.75 = 70,140.05 : x
  2. Step 2: Convert to fraction form
    170,034.47/255,080.75 = 70,140.05/x
  3. Step 3: Cross multiply
    170,034.47x = 255,080.75 × 70,140.05
  4. Step 4: Simplify right side
    170,034.47x = 17,891,376,606.90
  5. Step 5: Solve for x
    x = 17,891,376,606.90/170,034.47
  6. Step 6: Final answer
    x = 105,222.06

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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.