Home / 191,928.06-287,301.56-125,224.56

Finding the Fourth Proportional to 191,928.06, 287,301.56 and 125,224.56

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Solution

The fourth proportional to 191,928.06, 287,301.56 and 125,224.56 is: 187,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.06 : 287,301.56 = 125,224.56 : x
  2. Step 2: Convert to fraction form
    191,928.06/287,301.56 = 125,224.56/x
  3. Step 3: Cross multiply
    191,928.06x = 287,301.56 × 125,224.56
  4. Step 4: Simplify right side
    191,928.06x = 35,977,210,812.19
  5. Step 5: Solve for x
    x = 35,977,210,812.19/191,928.06
  6. Step 6: Final answer
    x = 187,451.54

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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.