Home / 191,384.16-287,087.12-58,268.80

Finding the Fourth Proportional to 191,384.16, 287,087.12 and 58,268.80

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Solution

The fourth proportional to 191,384.16, 287,087.12 and 58,268.80 is: 87,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,384.16 : 287,087.12 = 58,268.80 : x
  2. Step 2: Convert to fraction form
    191,384.16/287,087.12 = 58,268.80/x
  3. Step 3: Cross multiply
    191,384.16x = 287,087.12 × 58,268.80
  4. Step 4: Simplify right side
    191,384.16x = 16,728,221,977.86
  5. Step 5: Solve for x
    x = 16,728,221,977.86/191,384.16
  6. Step 6: Final answer
    x = 87,406.51

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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.