Home / 217,185.04-299,706.96-121,686.94

Finding the Fourth Proportional to 217,185.04, 299,706.96 and 121,686.94

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Solution

The fourth proportional to 217,185.04, 299,706.96 and 121,686.94 is: 167,923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,185.04 : 299,706.96 = 121,686.94 : x
  2. Step 2: Convert to fraction form
    217,185.04/299,706.96 = 121,686.94/x
  3. Step 3: Cross multiply
    217,185.04x = 299,706.96 × 121,686.94
  4. Step 4: Simplify right side
    217,185.04x = 36,470,422,859.10
  5. Step 5: Solve for x
    x = 36,470,422,859.10/217,185.04
  6. Step 6: Final answer
    x = 167,923.27

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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.