Home / 191,450.18-287,218.10-58,340.86

Finding the Fourth Proportional to 191,450.18, 287,218.10 and 58,340.86

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Solution

The fourth proportional to 191,450.18, 287,218.10 and 58,340.86 is: 87,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,450.18 : 287,218.10 = 58,340.86 : x
  2. Step 2: Convert to fraction form
    191,450.18/287,218.10 = 58,340.86/x
  3. Step 3: Cross multiply
    191,450.18x = 287,218.10 × 58,340.86
  4. Step 4: Simplify right side
    191,450.18x = 16,756,550,389.37
  5. Step 5: Solve for x
    x = 16,756,550,389.37/191,450.18
  6. Step 6: Final answer
    x = 87,524.34

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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.