Home / 261,087.18-360,273.21-153,650.81

Finding the Fourth Proportional to 261,087.18, 360,273.21 and 153,650.81

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Solution

The fourth proportional to 261,087.18, 360,273.21 and 153,650.81 is: 212,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,087.18 : 360,273.21 = 153,650.81 : x
  2. Step 2: Convert to fraction form
    261,087.18/360,273.21 = 153,650.81/x
  3. Step 3: Cross multiply
    261,087.18x = 360,273.21 × 153,650.81
  4. Step 4: Simplify right side
    261,087.18x = 55,356,268,736.43
  5. Step 5: Solve for x
    x = 55,356,268,736.43/261,087.18
  6. Step 6: Final answer
    x = 212,022.16

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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.