Home / 94,328.20-141,492.30-86,163.40

Finding the Fourth Proportional to 94,328.20, 141,492.30 and 86,163.40

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Solution

The fourth proportional to 94,328.20, 141,492.30 and 86,163.40 is: 129,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,328.20 : 141,492.30 = 86,163.40 : x
  2. Step 2: Convert to fraction form
    94,328.20/141,492.30 = 86,163.40/x
  3. Step 3: Cross multiply
    94,328.20x = 141,492.30 × 86,163.40
  4. Step 4: Simplify right side
    94,328.20x = 12,191,457,641.82
  5. Step 5: Solve for x
    x = 12,191,457,641.82/94,328.20
  6. Step 6: Final answer
    x = 129,245.10

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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.