Home / 217,792.04-300,556.64-121,002.22

Finding the Fourth Proportional to 217,792.04, 300,556.64 and 121,002.22

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Solution

The fourth proportional to 217,792.04, 300,556.64 and 121,002.22 is: 166,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,792.04 : 300,556.64 = 121,002.22 : x
  2. Step 2: Convert to fraction form
    217,792.04/300,556.64 = 121,002.22/x
  3. Step 3: Cross multiply
    217,792.04x = 300,556.64 × 121,002.22
  4. Step 4: Simplify right side
    217,792.04x = 36,368,020,675.74
  5. Step 5: Solve for x
    x = 36,368,020,675.74/217,792.04
  6. Step 6: Final answer
    x = 166,985.08

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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.