Home / 162,515.28-243,803.40-73,775.04

Finding the Fourth Proportional to 162,515.28, 243,803.40 and 73,775.04

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Solution

The fourth proportional to 162,515.28, 243,803.40 and 73,775.04 is: 110,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,515.28 : 243,803.40 = 73,775.04 : x
  2. Step 2: Convert to fraction form
    162,515.28/243,803.40 = 73,775.04/x
  3. Step 3: Cross multiply
    162,515.28x = 243,803.40 × 73,775.04
  4. Step 4: Simplify right side
    162,515.28x = 17,986,605,587.14
  5. Step 5: Solve for x
    x = 17,986,605,587.14/162,515.28
  6. Step 6: Final answer
    x = 110,676.40

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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.