Home / 191,435.59-287,153.36-51,190.57

Finding the Fourth Proportional to 191,435.59, 287,153.36 and 51,190.57

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Solution

The fourth proportional to 191,435.59, 287,153.36 and 51,190.57 is: 76,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,435.59 : 287,153.36 = 51,190.57 : x
  2. Step 2: Convert to fraction form
    191,435.59/287,153.36 = 51,190.57/x
  3. Step 3: Cross multiply
    191,435.59x = 287,153.36 × 51,190.57
  4. Step 4: Simplify right side
    191,435.59x = 14,699,542,484.10
  5. Step 5: Solve for x
    x = 14,699,542,484.10/191,435.59
  6. Step 6: Final answer
    x = 76,785.84

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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.