Home / 191,015.18-286,580.01-77,104.34

Finding the Fourth Proportional to 191,015.18, 286,580.01 and 77,104.34

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Solution

The fourth proportional to 191,015.18, 286,580.01 and 77,104.34 is: 115,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,015.18 : 286,580.01 = 77,104.34 : x
  2. Step 2: Convert to fraction form
    191,015.18/286,580.01 = 77,104.34/x
  3. Step 3: Cross multiply
    191,015.18x = 286,580.01 × 77,104.34
  4. Step 4: Simplify right side
    191,015.18x = 22,096,562,528.24
  5. Step 5: Solve for x
    x = 22,096,562,528.24/191,015.18
  6. Step 6: Final answer
    x = 115,679.62

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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.