Home / 190,408.80-285,555.63-57,253.71

Finding the Fourth Proportional to 190,408.80, 285,555.63 and 57,253.71

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Solution

The fourth proportional to 190,408.80, 285,555.63 and 57,253.71 is: 85,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,408.80 : 285,555.63 = 57,253.71 : x
  2. Step 2: Convert to fraction form
    190,408.80/285,555.63 = 57,253.71/x
  3. Step 3: Cross multiply
    190,408.80x = 285,555.63 × 57,253.71
  4. Step 4: Simplify right side
    190,408.80x = 16,349,119,228.89
  5. Step 5: Solve for x
    x = 16,349,119,228.89/190,408.80
  6. Step 6: Final answer
    x = 85,863.25

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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.