Home / 191,789.10-287,683.25-51,547.73

Finding the Fourth Proportional to 191,789.10, 287,683.25 and 51,547.73

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Solution

The fourth proportional to 191,789.10, 287,683.25 and 51,547.73 is: 77,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,789.10 : 287,683.25 = 51,547.73 : x
  2. Step 2: Convert to fraction form
    191,789.10/287,683.25 = 51,547.73/x
  3. Step 3: Cross multiply
    191,789.10x = 287,683.25 × 51,547.73
  4. Step 4: Simplify right side
    191,789.10x = 14,829,416,800.37
  5. Step 5: Solve for x
    x = 14,829,416,800.37/191,789.10
  6. Step 6: Final answer
    x = 77,321.48

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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.