Home / 110,112.66-151,953-64,169.46

Finding the Fourth Proportional to 110,112.66, 151,953 and 64,169.46

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Solution

The fourth proportional to 110,112.66, 151,953 and 64,169.46 is: 88,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,112.66 : 151,953 = 64,169.46 : x
  2. Step 2: Convert to fraction form
    110,112.66/151,953 = 64,169.46/x
  3. Step 3: Cross multiply
    110,112.66x = 151,953 × 64,169.46
  4. Step 4: Simplify right side
    110,112.66x = 9,750,741,955.38
  5. Step 5: Solve for x
    x = 9,750,741,955.38/110,112.66
  6. Step 6: Final answer
    x = 88,552.41

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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.