Home / 191,713.61-264,533.66-111,125.39

Finding the Fourth Proportional to 191,713.61, 264,533.66 and 111,125.39

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Solution

The fourth proportional to 191,713.61, 264,533.66 and 111,125.39 is: 153,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,713.61 : 264,533.66 = 111,125.39 : x
  2. Step 2: Convert to fraction form
    191,713.61/264,533.66 = 111,125.39/x
  3. Step 3: Cross multiply
    191,713.61x = 264,533.66 × 111,125.39
  4. Step 4: Simplify right side
    191,713.61x = 29,396,406,135.63
  5. Step 5: Solve for x
    x = 29,396,406,135.63/191,713.61
  6. Step 6: Final answer
    x = 153,335.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.