Home / 94,202.19-141,931.59-85,206.69

Finding the Fourth Proportional to 94,202.19, 141,931.59 and 85,206.69

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Solution

The fourth proportional to 94,202.19, 141,931.59 and 85,206.69 is: 128,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,202.19 : 141,931.59 = 85,206.69 : x
  2. Step 2: Convert to fraction form
    94,202.19/141,931.59 = 85,206.69/x
  3. Step 3: Cross multiply
    94,202.19x = 141,931.59 × 85,206.69
  4. Step 4: Simplify right side
    94,202.19x = 12,093,520,990.34
  5. Step 5: Solve for x
    x = 12,093,520,990.34/94,202.19
  6. Step 6: Final answer
    x = 128,378.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.