Home / 190,341.92-285,424.24-85,161.76

Finding the Fourth Proportional to 190,341.92, 285,424.24 and 85,161.76

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Solution

The fourth proportional to 190,341.92, 285,424.24 and 85,161.76 is: 127,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,341.92 : 285,424.24 = 85,161.76 : x
  2. Step 2: Convert to fraction form
    190,341.92/285,424.24 = 85,161.76/x
  3. Step 3: Cross multiply
    190,341.92x = 285,424.24 × 85,161.76
  4. Step 4: Simplify right side
    190,341.92x = 24,307,230,625.06
  5. Step 5: Solve for x
    x = 24,307,230,625.06/190,341.92
  6. Step 6: Final answer
    x = 127,702.98

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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.