Home / 196,378.16-271,030.12-142,106.54

Finding the Fourth Proportional to 196,378.16, 271,030.12 and 142,106.54

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Solution

The fourth proportional to 196,378.16, 271,030.12 and 142,106.54 is: 196,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,378.16 : 271,030.12 = 142,106.54 : x
  2. Step 2: Convert to fraction form
    196,378.16/271,030.12 = 142,106.54/x
  3. Step 3: Cross multiply
    196,378.16x = 271,030.12 × 142,106.54
  4. Step 4: Simplify right side
    196,378.16x = 38,515,150,878.57
  5. Step 5: Solve for x
    x = 38,515,150,878.57/196,378.16
  6. Step 6: Final answer
    x = 196,127.47

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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.