Home / 170,768.21-235,642.23-99,134.24

Finding the Fourth Proportional to 170,768.21, 235,642.23 and 99,134.24

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Solution

The fourth proportional to 170,768.21, 235,642.23 and 99,134.24 is: 136,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,768.21 : 235,642.23 = 99,134.24 : x
  2. Step 2: Convert to fraction form
    170,768.21/235,642.23 = 99,134.24/x
  3. Step 3: Cross multiply
    170,768.21x = 235,642.23 × 99,134.24
  4. Step 4: Simplify right side
    170,768.21x = 23,360,212,204.74
  5. Step 5: Solve for x
    x = 23,360,212,204.74/170,768.21
  6. Step 6: Final answer
    x = 136,794.86

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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.