Home / 235,278.15-324,657.49-133,281.77

Finding the Fourth Proportional to 235,278.15, 324,657.49 and 133,281.77

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Solution

The fourth proportional to 235,278.15, 324,657.49 and 133,281.77 is: 183,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,278.15 : 324,657.49 = 133,281.77 : x
  2. Step 2: Convert to fraction form
    235,278.15/324,657.49 = 133,281.77/x
  3. Step 3: Cross multiply
    235,278.15x = 324,657.49 × 133,281.77
  4. Step 4: Simplify right side
    235,278.15x = 43,270,922,621.26
  5. Step 5: Solve for x
    x = 43,270,922,621.26/235,278.15
  6. Step 6: Final answer
    x = 183,913.91

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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.