Home / 190,623.15-286,026.66-134,821.71

Finding the Fourth Proportional to 190,623.15, 286,026.66 and 134,821.71

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Solution

The fourth proportional to 190,623.15, 286,026.66 and 134,821.71 is: 202,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,623.15 : 286,026.66 = 134,821.71 : x
  2. Step 2: Convert to fraction form
    190,623.15/286,026.66 = 134,821.71/x
  3. Step 3: Cross multiply
    190,623.15x = 286,026.66 × 134,821.71
  4. Step 4: Simplify right side
    190,623.15x = 38,562,603,406.79
  5. Step 5: Solve for x
    x = 38,562,603,406.79/190,623.15
  6. Step 6: Final answer
    x = 202,297.59

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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.