Home / 144,128.44-198,797.22-98,810.48

Finding the Fourth Proportional to 144,128.44, 198,797.22 and 98,810.48

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Solution

The fourth proportional to 144,128.44, 198,797.22 and 98,810.48 is: 136,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,128.44 : 198,797.22 = 98,810.48 : x
  2. Step 2: Convert to fraction form
    144,128.44/198,797.22 = 98,810.48/x
  3. Step 3: Cross multiply
    144,128.44x = 198,797.22 × 98,810.48
  4. Step 4: Simplify right side
    144,128.44x = 19,643,248,730.87
  5. Step 5: Solve for x
    x = 19,643,248,730.87/144,128.44
  6. Step 6: Final answer
    x = 136,289.89

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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.