Home / 191,928.74-287,302.61-125,225.24

Finding the Fourth Proportional to 191,928.74, 287,302.61 and 125,225.24

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Solution

The fourth proportional to 191,928.74, 287,302.61 and 125,225.24 is: 187,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.74 : 287,302.61 = 125,225.24 : x
  2. Step 2: Convert to fraction form
    191,928.74/287,302.61 = 125,225.24/x
  3. Step 3: Cross multiply
    191,928.74x = 287,302.61 × 125,225.24
  4. Step 4: Simplify right side
    191,928.74x = 35,977,538,289.88
  5. Step 5: Solve for x
    x = 35,977,538,289.88/191,928.74
  6. Step 6: Final answer
    x = 187,452.58

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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.