Home / 99,302.17-148,906.32-36,078.20

Finding the Fourth Proportional to 99,302.17, 148,906.32 and 36,078.20

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Solution

The fourth proportional to 99,302.17, 148,906.32 and 36,078.20 is: 54,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.17 : 148,906.32 = 36,078.20 : x
  2. Step 2: Convert to fraction form
    99,302.17/148,906.32 = 36,078.20/x
  3. Step 3: Cross multiply
    99,302.17x = 148,906.32 × 36,078.20
  4. Step 4: Simplify right side
    99,302.17x = 5,372,271,994.22
  5. Step 5: Solve for x
    x = 5,372,271,994.22/99,302.17
  6. Step 6: Final answer
    x = 54,100.25

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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.