Home / 165,121.84-227,937.90-111,479.52

Finding the Fourth Proportional to 165,121.84, 227,937.90 and 111,479.52

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Solution

The fourth proportional to 165,121.84, 227,937.90 and 111,479.52 is: 153,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,121.84 : 227,937.90 = 111,479.52 : x
  2. Step 2: Convert to fraction form
    165,121.84/227,937.90 = 111,479.52/x
  3. Step 3: Cross multiply
    165,121.84x = 227,937.90 × 111,479.52
  4. Step 4: Simplify right side
    165,121.84x = 25,410,407,681.81
  5. Step 5: Solve for x
    x = 25,410,407,681.81/165,121.84
  6. Step 6: Final answer
    x = 153,888.84

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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.