Home / 121,532.33-182,316.72-42,632.66

Finding the Fourth Proportional to 121,532.33, 182,316.72 and 42,632.66

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Solution

The fourth proportional to 121,532.33, 182,316.72 and 42,632.66 is: 63,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532.33 : 182,316.72 = 42,632.66 : x
  2. Step 2: Convert to fraction form
    121,532.33/182,316.72 = 42,632.66/x
  3. Step 3: Cross multiply
    121,532.33x = 182,316.72 × 42,632.66
  4. Step 4: Simplify right side
    121,532.33x = 7,772,645,824.49
  5. Step 5: Solve for x
    x = 7,772,645,824.49/121,532.33
  6. Step 6: Final answer
    x = 63,955.38

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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.