Home / 143,957.04-198,656.46-80,293.38

Finding the Fourth Proportional to 143,957.04, 198,656.46 and 80,293.38

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Solution

The fourth proportional to 143,957.04, 198,656.46 and 80,293.38 is: 110,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,957.04 : 198,656.46 = 80,293.38 : x
  2. Step 2: Convert to fraction form
    143,957.04/198,656.46 = 80,293.38/x
  3. Step 3: Cross multiply
    143,957.04x = 198,656.46 × 80,293.38
  4. Step 4: Simplify right side
    143,957.04x = 15,950,798,632.23
  5. Step 5: Solve for x
    x = 15,950,798,632.23/143,957.04
  6. Step 6: Final answer
    x = 110,802.49

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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.