Home / 196,355.19-270,981.54-147,870.30

Finding the Fourth Proportional to 196,355.19, 270,981.54 and 147,870.30

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Solution

The fourth proportional to 196,355.19, 270,981.54 and 147,870.30 is: 204,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,355.19 : 270,981.54 = 147,870.30 : x
  2. Step 2: Convert to fraction form
    196,355.19/270,981.54 = 147,870.30/x
  3. Step 3: Cross multiply
    196,355.19x = 270,981.54 × 147,870.30
  4. Step 4: Simplify right side
    196,355.19x = 40,070,121,614.26
  5. Step 5: Solve for x
    x = 40,070,121,614.26/196,355.19
  6. Step 6: Final answer
    x = 204,069.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.