Home / 191,743.08-287,417.34-73,382.44

Finding the Fourth Proportional to 191,743.08, 287,417.34 and 73,382.44

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Solution

The fourth proportional to 191,743.08, 287,417.34 and 73,382.44 is: 109,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,743.08 : 287,417.34 = 73,382.44 : x
  2. Step 2: Convert to fraction form
    191,743.08/287,417.34 = 73,382.44/x
  3. Step 3: Cross multiply
    191,743.08x = 287,417.34 × 73,382.44
  4. Step 4: Simplify right side
    191,743.08x = 21,091,385,707.51
  5. Step 5: Solve for x
    x = 21,091,385,707.51/191,743.08
  6. Step 6: Final answer
    x = 109,998.16

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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.