Home / 191,222.82-286,867.05-58,116.54

Finding the Fourth Proportional to 191,222.82, 286,867.05 and 58,116.54

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Solution

The fourth proportional to 191,222.82, 286,867.05 and 58,116.54 is: 87,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,222.82 : 286,867.05 = 58,116.54 : x
  2. Step 2: Convert to fraction form
    191,222.82/286,867.05 = 58,116.54/x
  3. Step 3: Cross multiply
    191,222.82x = 286,867.05 × 58,116.54
  4. Step 4: Simplify right side
    191,222.82x = 16,671,720,386.01
  5. Step 5: Solve for x
    x = 16,671,720,386.01/191,222.82
  6. Step 6: Final answer
    x = 87,184.78

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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.