Home / 191,581.85-264,382.95-106,698.90

Finding the Fourth Proportional to 191,581.85, 264,382.95 and 106,698.90

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Solution

The fourth proportional to 191,581.85, 264,382.95 and 106,698.90 is: 147,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,581.85 : 264,382.95 = 106,698.90 : x
  2. Step 2: Convert to fraction form
    191,581.85/264,382.95 = 106,698.90/x
  3. Step 3: Cross multiply
    191,581.85x = 264,382.95 × 106,698.90
  4. Step 4: Simplify right side
    191,581.85x = 28,209,369,943.76
  5. Step 5: Solve for x
    x = 28,209,369,943.76/191,581.85
  6. Step 6: Final answer
    x = 147,244.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.