Home / 236,680.68-354,813.66-89,040.36

Finding the Fourth Proportional to 236,680.68, 354,813.66 and 89,040.36

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Solution

The fourth proportional to 236,680.68, 354,813.66 and 89,040.36 is: 133,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,680.68 : 354,813.66 = 89,040.36 : x
  2. Step 2: Convert to fraction form
    236,680.68/354,813.66 = 89,040.36/x
  3. Step 3: Cross multiply
    236,680.68x = 354,813.66 × 89,040.36
  4. Step 4: Simplify right side
    236,680.68x = 31,592,736,019.32
  5. Step 5: Solve for x
    x = 31,592,736,019.32/236,680.68
  6. Step 6: Final answer
    x = 133,482.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.