Home / 94,342.20-141,513.30-90,713.40

Finding the Fourth Proportional to 94,342.20, 141,513.30 and 90,713.40

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Solution

The fourth proportional to 94,342.20, 141,513.30 and 90,713.40 is: 136,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,342.20 : 141,513.30 = 90,713.40 : x
  2. Step 2: Convert to fraction form
    94,342.20/141,513.30 = 90,713.40/x
  3. Step 3: Cross multiply
    94,342.20x = 141,513.30 × 90,713.40
  4. Step 4: Simplify right side
    94,342.20x = 12,837,152,588.22
  5. Step 5: Solve for x
    x = 12,837,152,588.22/94,342.20
  6. Step 6: Final answer
    x = 136,070.10

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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.