Home / 191,332.35-287,040.05-58,209.15

Finding the Fourth Proportional to 191,332.35, 287,040.05 and 58,209.15

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Solution

The fourth proportional to 191,332.35, 287,040.05 and 58,209.15 is: 87,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,332.35 : 287,040.05 = 58,209.15 : x
  2. Step 2: Convert to fraction form
    191,332.35/287,040.05 = 58,209.15/x
  3. Step 3: Cross multiply
    191,332.35x = 287,040.05 × 58,209.15
  4. Step 4: Simplify right side
    191,332.35x = 16,708,358,131.09
  5. Step 5: Solve for x
    x = 16,708,358,131.09/191,332.35
  6. Step 6: Final answer
    x = 87,326.36

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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.