Home / 191,468.72-286,576.98-140,854.28

Finding the Fourth Proportional to 191,468.72, 286,576.98 and 140,854.28

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Solution

The fourth proportional to 191,468.72, 286,576.98 and 140,854.28 is: 210,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,468.72 : 286,576.98 = 140,854.28 : x
  2. Step 2: Convert to fraction form
    191,468.72/286,576.98 = 140,854.28/x
  3. Step 3: Cross multiply
    191,468.72x = 286,576.98 × 140,854.28
  4. Step 4: Simplify right side
    191,468.72x = 40,365,594,182.47
  5. Step 5: Solve for x
    x = 40,365,594,182.47/191,468.72
  6. Step 6: Final answer
    x = 210,820.83

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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.