Home / 223,799.68-308,850.01-121,831.74

Finding the Fourth Proportional to 223,799.68, 308,850.01 and 121,831.74

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Solution

The fourth proportional to 223,799.68, 308,850.01 and 121,831.74 is: 168,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,799.68 : 308,850.01 = 121,831.74 : x
  2. Step 2: Convert to fraction form
    223,799.68/308,850.01 = 121,831.74/x
  3. Step 3: Cross multiply
    223,799.68x = 308,850.01 × 121,831.74
  4. Step 4: Simplify right side
    223,799.68x = 37,627,734,117.32
  5. Step 5: Solve for x
    x = 37,627,734,117.32/223,799.68
  6. Step 6: Final answer
    x = 168,131.31

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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.