Home / 190,904.30-286,356.45-173,408.30

Finding the Fourth Proportional to 190,904.30, 286,356.45 and 173,408.30

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Solution

The fourth proportional to 190,904.30, 286,356.45 and 173,408.30 is: 260,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.30 : 286,356.45 = 173,408.30 : x
  2. Step 2: Convert to fraction form
    190,904.30/286,356.45 = 173,408.30/x
  3. Step 3: Cross multiply
    190,904.30x = 286,356.45 × 173,408.30
  4. Step 4: Simplify right side
    190,904.30x = 49,656,585,188.54
  5. Step 5: Solve for x
    x = 49,656,585,188.54/190,904.30
  6. Step 6: Final answer
    x = 260,112.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.