Home / 144,015.68-198,709.83-83,551.31

Finding the Fourth Proportional to 144,015.68, 198,709.83 and 83,551.31

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Solution

The fourth proportional to 144,015.68, 198,709.83 and 83,551.31 is: 115,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,015.68 : 198,709.83 = 83,551.31 : x
  2. Step 2: Convert to fraction form
    144,015.68/198,709.83 = 83,551.31/x
  3. Step 3: Cross multiply
    144,015.68x = 198,709.83 × 83,551.31
  4. Step 4: Simplify right side
    144,015.68x = 16,602,465,612.83
  5. Step 5: Solve for x
    x = 16,602,465,612.83/144,015.68
  6. Step 6: Final answer
    x = 115,282.35

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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.