Home / 110,419.20-165,628.80-73,094.40

Finding the Fourth Proportional to 110,419.20, 165,628.80 and 73,094.40

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Solution

The fourth proportional to 110,419.20, 165,628.80 and 73,094.40 is: 109,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.20 : 165,628.80 = 73,094.40 : x
  2. Step 2: Convert to fraction form
    110,419.20/165,628.80 = 73,094.40/x
  3. Step 3: Cross multiply
    110,419.20x = 165,628.80 × 73,094.40
  4. Step 4: Simplify right side
    110,419.20x = 12,106,537,758.72
  5. Step 5: Solve for x
    x = 12,106,537,758.72/110,419.20
  6. Step 6: Final answer
    x = 109,641.60

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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.