Home / 216,303.79-324,493.04-96,403.33

Finding the Fourth Proportional to 216,303.79, 324,493.04 and 96,403.33

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Solution

The fourth proportional to 216,303.79, 324,493.04 and 96,403.33 is: 144,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,303.79 : 324,493.04 = 96,403.33 : x
  2. Step 2: Convert to fraction form
    216,303.79/324,493.04 = 96,403.33/x
  3. Step 3: Cross multiply
    216,303.79x = 324,493.04 × 96,403.33
  4. Step 4: Simplify right side
    216,303.79x = 31,282,209,617.82
  5. Step 5: Solve for x
    x = 31,282,209,617.82/216,303.79
  6. Step 6: Final answer
    x = 144,621.64

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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.