Home / 170,470.88-235,350.72-151,555.76

Finding the Fourth Proportional to 170,470.88, 235,350.72 and 151,555.76

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Solution

The fourth proportional to 170,470.88, 235,350.72 and 151,555.76 is: 209,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,470.88 : 235,350.72 = 151,555.76 : x
  2. Step 2: Convert to fraction form
    170,470.88/235,350.72 = 151,555.76/x
  3. Step 3: Cross multiply
    170,470.88x = 235,350.72 × 151,555.76
  4. Step 4: Simplify right side
    170,470.88x = 35,668,756,059.39
  5. Step 5: Solve for x
    x = 35,668,756,059.39/170,470.88
  6. Step 6: Final answer
    x = 209,236.66

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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.