Home / 94,612.20-141,918.30-90,004.20

Finding the Fourth Proportional to 94,612.20, 141,918.30 and 90,004.20

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Solution

The fourth proportional to 94,612.20, 141,918.30 and 90,004.20 is: 135,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,612.20 : 141,918.30 = 90,004.20 : x
  2. Step 2: Convert to fraction form
    94,612.20/141,918.30 = 90,004.20/x
  3. Step 3: Cross multiply
    94,612.20x = 141,918.30 × 90,004.20
  4. Step 4: Simplify right side
    94,612.20x = 12,773,243,056.86
  5. Step 5: Solve for x
    x = 12,773,243,056.86/94,612.20
  6. Step 6: Final answer
    x = 135,006.30

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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.