Home / 196,128.72-294,350.73-101,386.80

Finding the Fourth Proportional to 196,128.72, 294,350.73 and 101,386.80

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Solution

The fourth proportional to 196,128.72, 294,350.73 and 101,386.80 is: 152,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,128.72 : 294,350.73 = 101,386.80 : x
  2. Step 2: Convert to fraction form
    196,128.72/294,350.73 = 101,386.80/x
  3. Step 3: Cross multiply
    196,128.72x = 294,350.73 × 101,386.80
  4. Step 4: Simplify right side
    196,128.72x = 29,843,278,592.36
  5. Step 5: Solve for x
    x = 29,843,278,592.36/196,128.72
  6. Step 6: Final answer
    x = 152,161.70

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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.