Home / 191,811.10-287,716.65-168,483.10

Finding the Fourth Proportional to 191,811.10, 287,716.65 and 168,483.10

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Solution

The fourth proportional to 191,811.10, 287,716.65 and 168,483.10 is: 252,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,811.10 : 287,716.65 = 168,483.10 : x
  2. Step 2: Convert to fraction form
    191,811.10/287,716.65 = 168,483.10/x
  3. Step 3: Cross multiply
    191,811.10x = 287,716.65 × 168,483.10
  4. Step 4: Simplify right side
    191,811.10x = 48,475,393,113.62
  5. Step 5: Solve for x
    x = 48,475,393,113.62/191,811.10
  6. Step 6: Final answer
    x = 252,724.65

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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.