Home / 217,106.04-299,605.90-121,610.69

Finding the Fourth Proportional to 217,106.04, 299,605.90 and 121,610.69

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Solution

The fourth proportional to 217,106.04, 299,605.90 and 121,610.69 is: 167,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,106.04 : 299,605.90 = 121,610.69 : x
  2. Step 2: Convert to fraction form
    217,106.04/299,605.90 = 121,610.69/x
  3. Step 3: Cross multiply
    217,106.04x = 299,605.90 × 121,610.69
  4. Step 4: Simplify right side
    217,106.04x = 36,435,280,227.07
  5. Step 5: Solve for x
    x = 36,435,280,227.07/217,106.04
  6. Step 6: Final answer
    x = 167,822.51

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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.