Home / 191,923.97-287,885.95-98,370.05

Finding the Fourth Proportional to 191,923.97, 287,885.95 and 98,370.05

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Solution

The fourth proportional to 191,923.97, 287,885.95 and 98,370.05 is: 147,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,923.97 : 287,885.95 = 98,370.05 : x
  2. Step 2: Convert to fraction form
    191,923.97/287,885.95 = 98,370.05/x
  3. Step 3: Cross multiply
    191,923.97x = 287,885.95 × 98,370.05
  4. Step 4: Simplify right side
    191,923.97x = 28,319,353,610.44
  5. Step 5: Solve for x
    x = 28,319,353,610.44/191,923.97
  6. Step 6: Final answer
    x = 147,555.07

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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.