Home / 170,774.32-235,682.04-99,176.80

Finding the Fourth Proportional to 170,774.32, 235,682.04 and 99,176.80

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Solution

The fourth proportional to 170,774.32, 235,682.04 and 99,176.80 is: 136,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,774.32 : 235,682.04 = 99,176.80 : x
  2. Step 2: Convert to fraction form
    170,774.32/235,682.04 = 99,176.80/x
  3. Step 3: Cross multiply
    170,774.32x = 235,682.04 × 99,176.80
  4. Step 4: Simplify right side
    170,774.32x = 23,374,190,544.67
  5. Step 5: Solve for x
    x = 23,374,190,544.67/170,774.32
  6. Step 6: Final answer
    x = 136,871.81

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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.