Home / 191,928.31-287,301.93-125,224.81

Finding the Fourth Proportional to 191,928.31, 287,301.93 and 125,224.81

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Solution

The fourth proportional to 191,928.31, 287,301.93 and 125,224.81 is: 187,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.31 : 287,301.93 = 125,224.81 : x
  2. Step 2: Convert to fraction form
    191,928.31/287,301.93 = 125,224.81/x
  3. Step 3: Cross multiply
    191,928.31x = 287,301.93 × 125,224.81
  4. Step 4: Simplify right side
    191,928.31x = 35,977,329,596.88
  5. Step 5: Solve for x
    x = 35,977,329,596.88/191,928.31
  6. Step 6: Final answer
    x = 187,451.92

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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.