Home / 217,419.42-299,936.60-153,792.30

Finding the Fourth Proportional to 217,419.42, 299,936.60 and 153,792.30

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Solution

The fourth proportional to 217,419.42, 299,936.60 and 153,792.30 is: 212,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,419.42 : 299,936.60 = 153,792.30 : x
  2. Step 2: Convert to fraction form
    217,419.42/299,936.60 = 153,792.30/x
  3. Step 3: Cross multiply
    217,419.42x = 299,936.60 × 153,792.30
  4. Step 4: Simplify right side
    217,419.42x = 46,127,939,568.18
  5. Step 5: Solve for x
    x = 46,127,939,568.18/217,419.42
  6. Step 6: Final answer
    x = 212,161.08

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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.