Home / 191,722.23-287,583.66-191,445.21

Finding the Fourth Proportional to 191,722.23, 287,583.66 and 191,445.21

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Solution

The fourth proportional to 191,722.23, 287,583.66 and 191,445.21 is: 287,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,722.23 : 287,583.66 = 191,445.21 : x
  2. Step 2: Convert to fraction form
    191,722.23/287,583.66 = 191,445.21/x
  3. Step 3: Cross multiply
    191,722.23x = 287,583.66 × 191,445.21
  4. Step 4: Simplify right side
    191,722.23x = 55,056,514,181.27
  5. Step 5: Solve for x
    x = 55,056,514,181.27/191,722.23
  6. Step 6: Final answer
    x = 287,168.13

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1.5x scale

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.