Home / 191,417.56-287,104.47-51,187.12

Finding the Fourth Proportional to 191,417.56, 287,104.47 and 51,187.12

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Solution

The fourth proportional to 191,417.56, 287,104.47 and 51,187.12 is: 76,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,417.56 : 287,104.47 = 51,187.12 : x
  2. Step 2: Convert to fraction form
    191,417.56/287,104.47 = 51,187.12/x
  3. Step 3: Cross multiply
    191,417.56x = 287,104.47 × 51,187.12
  4. Step 4: Simplify right side
    191,417.56x = 14,696,050,958.43
  5. Step 5: Solve for x
    x = 14,696,050,958.43/191,417.56
  6. Step 6: Final answer
    x = 76,774.83

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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.