Home / 191,741.70-287,612.55-173,079.30

Finding the Fourth Proportional to 191,741.70, 287,612.55 and 173,079.30

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Solution

The fourth proportional to 191,741.70, 287,612.55 and 173,079.30 is: 259,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,741.70 : 287,612.55 = 173,079.30 : x
  2. Step 2: Convert to fraction form
    191,741.70/287,612.55 = 173,079.30/x
  3. Step 3: Cross multiply
    191,741.70x = 287,612.55 × 173,079.30
  4. Step 4: Simplify right side
    191,741.70x = 49,779,778,825.22
  5. Step 5: Solve for x
    x = 49,779,778,825.22/191,741.70
  6. Step 6: Final answer
    x = 259,618.95

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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.