Home / 112,142.78-168,246.63-33,258.90

Finding the Fourth Proportional to 112,142.78, 168,246.63 and 33,258.90

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Solution

The fourth proportional to 112,142.78, 168,246.63 and 33,258.90 is: 49,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,142.78 : 168,246.63 = 33,258.90 : x
  2. Step 2: Convert to fraction form
    112,142.78/168,246.63 = 33,258.90/x
  3. Step 3: Cross multiply
    112,142.78x = 168,246.63 × 33,258.90
  4. Step 4: Simplify right side
    112,142.78x = 5,595,697,842.51
  5. Step 5: Solve for x
    x = 5,595,697,842.51/112,142.78
  6. Step 6: Final answer
    x = 49,897.98

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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.