Home / 110,223.60-165,335.40-70,857.60

Finding the Fourth Proportional to 110,223.60, 165,335.40 and 70,857.60

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Solution

The fourth proportional to 110,223.60, 165,335.40 and 70,857.60 is: 106,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,223.60 : 165,335.40 = 70,857.60 : x
  2. Step 2: Convert to fraction form
    110,223.60/165,335.40 = 70,857.60/x
  3. Step 3: Cross multiply
    110,223.60x = 165,335.40 × 70,857.60
  4. Step 4: Simplify right side
    110,223.60x = 11,715,269,639.04
  5. Step 5: Solve for x
    x = 11,715,269,639.04/110,223.60
  6. Step 6: Final answer
    x = 106,286.40

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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.