Home / 100,828.89-151,242.30-25,948.74

Finding the Fourth Proportional to 100,828.89, 151,242.30 and 25,948.74

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Solution

The fourth proportional to 100,828.89, 151,242.30 and 25,948.74 is: 38,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,828.89 : 151,242.30 = 25,948.74 : x
  2. Step 2: Convert to fraction form
    100,828.89/151,242.30 = 25,948.74/x
  3. Step 3: Cross multiply
    100,828.89x = 151,242.30 × 25,948.74
  4. Step 4: Simplify right side
    100,828.89x = 3,924,547,334.47
  5. Step 5: Solve for x
    x = 3,924,547,334.47/100,828.89
  6. Step 6: Final answer
    x = 38,922.85

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1.5x scale

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.