Home / 191,385.16-287,088.62-58,269.80

Finding the Fourth Proportional to 191,385.16, 287,088.62 and 58,269.80

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Solution

The fourth proportional to 191,385.16, 287,088.62 and 58,269.80 is: 87,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385.16 : 287,088.62 = 58,269.80 : x
  2. Step 2: Convert to fraction form
    191,385.16/287,088.62 = 58,269.80/x
  3. Step 3: Cross multiply
    191,385.16x = 287,088.62 × 58,269.80
  4. Step 4: Simplify right side
    191,385.16x = 16,728,596,469.68
  5. Step 5: Solve for x
    x = 16,728,596,469.68/191,385.16
  6. Step 6: Final answer
    x = 87,408.01

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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.