Home / 191,388.06-287,082.77-56,453.80

Finding the Fourth Proportional to 191,388.06, 287,082.77 and 56,453.80

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Solution

The fourth proportional to 191,388.06, 287,082.77 and 56,453.80 is: 84,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,388.06 : 287,082.77 = 56,453.80 : x
  2. Step 2: Convert to fraction form
    191,388.06/287,082.77 = 56,453.80/x
  3. Step 3: Cross multiply
    191,388.06x = 287,082.77 × 56,453.80
  4. Step 4: Simplify right side
    191,388.06x = 16,206,912,017.18
  5. Step 5: Solve for x
    x = 16,206,912,017.18/191,388.06
  6. Step 6: Final answer
    x = 84,680.89

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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.