Home / 191,984.93-287,743.89-135,841.25

Finding the Fourth Proportional to 191,984.93, 287,743.89 and 135,841.25

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Solution

The fourth proportional to 191,984.93, 287,743.89 and 135,841.25 is: 203,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,984.93 : 287,743.89 = 135,841.25 : x
  2. Step 2: Convert to fraction form
    191,984.93/287,743.89 = 135,841.25/x
  3. Step 3: Cross multiply
    191,984.93x = 287,743.89 × 135,841.25
  4. Step 4: Simplify right side
    191,984.93x = 39,087,490,926.23
  5. Step 5: Solve for x
    x = 39,087,490,926.23/191,984.93
  6. Step 6: Final answer
    x = 203,596.66

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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.