Home / 191,669.23-287,637.25-79,350.03

Finding the Fourth Proportional to 191,669.23, 287,637.25 and 79,350.03

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Solution

The fourth proportional to 191,669.23, 287,637.25 and 79,350.03 is: 119,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,669.23 : 287,637.25 = 79,350.03 : x
  2. Step 2: Convert to fraction form
    191,669.23/287,637.25 = 79,350.03/x
  3. Step 3: Cross multiply
    191,669.23x = 287,637.25 × 79,350.03
  4. Step 4: Simplify right side
    191,669.23x = 22,824,024,367.02
  5. Step 5: Solve for x
    x = 22,824,024,367.02/191,669.23
  6. Step 6: Final answer
    x = 119,080.27

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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.