Home / 170,995.59-235,851.51-120,019.66

Finding the Fourth Proportional to 170,995.59, 235,851.51 and 120,019.66

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Solution

The fourth proportional to 170,995.59, 235,851.51 and 120,019.66 is: 165,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,995.59 : 235,851.51 = 120,019.66 : x
  2. Step 2: Convert to fraction form
    170,995.59/235,851.51 = 120,019.66/x
  3. Step 3: Cross multiply
    170,995.59x = 235,851.51 × 120,019.66
  4. Step 4: Simplify right side
    170,995.59x = 28,306,818,040.69
  5. Step 5: Solve for x
    x = 28,306,818,040.69/170,995.59
  6. Step 6: Final answer
    x = 165,541.22

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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.