Home / 191,804.20-287,727.90-58,683.40

Finding the Fourth Proportional to 191,804.20, 287,727.90 and 58,683.40

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Solution

The fourth proportional to 191,804.20, 287,727.90 and 58,683.40 is: 88,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,804.20 : 287,727.90 = 58,683.40 : x
  2. Step 2: Convert to fraction form
    191,804.20/287,727.90 = 58,683.40/x
  3. Step 3: Cross multiply
    191,804.20x = 287,727.90 × 58,683.40
  4. Step 4: Simplify right side
    191,804.20x = 16,884,851,446.86
  5. Step 5: Solve for x
    x = 16,884,851,446.86/191,804.20
  6. Step 6: Final answer
    x = 88,031.71

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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.