Home / 142,226.40-213,145.20-94,706.40

Finding the Fourth Proportional to 142,226.40, 213,145.20 and 94,706.40

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Solution

The fourth proportional to 142,226.40, 213,145.20 and 94,706.40 is: 141,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,226.40 : 213,145.20 = 94,706.40 : x
  2. Step 2: Convert to fraction form
    142,226.40/213,145.20 = 94,706.40/x
  3. Step 3: Cross multiply
    142,226.40x = 213,145.20 × 94,706.40
  4. Step 4: Simplify right side
    142,226.40x = 20,186,214,569.28
  5. Step 5: Solve for x
    x = 20,186,214,569.28/142,226.40
  6. Step 6: Final answer
    x = 141,930.15

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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.