Home / 150,320.04-207,464.40-85,788.96

Finding the Fourth Proportional to 150,320.04, 207,464.40 and 85,788.96

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Solution

The fourth proportional to 150,320.04, 207,464.40 and 85,788.96 is: 118,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,320.04 : 207,464.40 = 85,788.96 : x
  2. Step 2: Convert to fraction form
    150,320.04/207,464.40 = 85,788.96/x
  3. Step 3: Cross multiply
    150,320.04x = 207,464.40 × 85,788.96
  4. Step 4: Simplify right side
    150,320.04x = 17,798,155,113.02
  5. Step 5: Solve for x
    x = 17,798,155,113.02/150,320.04
  6. Step 6: Final answer
    x = 118,401.75

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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.