Home / 201,816.96-278,444.52-114,587.52

Finding the Fourth Proportional to 201,816.96, 278,444.52 and 114,587.52

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Solution

The fourth proportional to 201,816.96, 278,444.52 and 114,587.52 is: 158,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,816.96 : 278,444.52 = 114,587.52 : x
  2. Step 2: Convert to fraction form
    201,816.96/278,444.52 = 114,587.52/x
  3. Step 3: Cross multiply
    201,816.96x = 278,444.52 × 114,587.52
  4. Step 4: Simplify right side
    201,816.96x = 31,906,267,004.39
  5. Step 5: Solve for x
    x = 31,906,267,004.39/201,816.96
  6. Step 6: Final answer
    x = 158,095.07

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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.