Home / 191,103.14-286,655.32-57,984.50

Finding the Fourth Proportional to 191,103.14, 286,655.32 and 57,984.50

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Solution

The fourth proportional to 191,103.14, 286,655.32 and 57,984.50 is: 86,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,103.14 : 286,655.32 = 57,984.50 : x
  2. Step 2: Convert to fraction form
    191,103.14/286,655.32 = 57,984.50/x
  3. Step 3: Cross multiply
    191,103.14x = 286,655.32 × 57,984.50
  4. Step 4: Simplify right side
    191,103.14x = 16,621,565,402.54
  5. Step 5: Solve for x
    x = 16,621,565,402.54/191,103.14
  6. Step 6: Final answer
    x = 86,976.94

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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.