Home / 191,451.57-287,177.25-51,206.55

Finding the Fourth Proportional to 191,451.57, 287,177.25 and 51,206.55

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Solution

The fourth proportional to 191,451.57, 287,177.25 and 51,206.55 is: 76,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,451.57 : 287,177.25 = 51,206.55 : x
  2. Step 2: Convert to fraction form
    191,451.57/287,177.25 = 51,206.55/x
  3. Step 3: Cross multiply
    191,451.57x = 287,177.25 × 51,206.55
  4. Step 4: Simplify right side
    191,451.57x = 14,705,356,210.99
  5. Step 5: Solve for x
    x = 14,705,356,210.99/191,451.57
  6. Step 6: Final answer
    x = 76,809.80

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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.