Home / 191,382.42-287,135.10-58,288.44

Finding the Fourth Proportional to 191,382.42, 287,135.10 and 58,288.44

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Solution

The fourth proportional to 191,382.42, 287,135.10 and 58,288.44 is: 87,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,382.42 : 287,135.10 = 58,288.44 : x
  2. Step 2: Convert to fraction form
    191,382.42/287,135.10 = 58,288.44/x
  3. Step 3: Cross multiply
    191,382.42x = 287,135.10 × 58,288.44
  4. Step 4: Simplify right side
    191,382.42x = 16,736,657,048.24
  5. Step 5: Solve for x
    x = 16,736,657,048.24/191,382.42
  6. Step 6: Final answer
    x = 87,451.38

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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.