Home / 191,317.35-286,980.75-91,488.09

Finding the Fourth Proportional to 191,317.35, 286,980.75 and 91,488.09

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Solution

The fourth proportional to 191,317.35, 286,980.75 and 91,488.09 is: 137,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,317.35 : 286,980.75 = 91,488.09 : x
  2. Step 2: Convert to fraction form
    191,317.35/286,980.75 = 91,488.09/x
  3. Step 3: Cross multiply
    191,317.35x = 286,980.75 × 91,488.09
  4. Step 4: Simplify right side
    191,317.35x = 26,255,320,684.27
  5. Step 5: Solve for x
    x = 26,255,320,684.27/191,317.35
  6. Step 6: Final answer
    x = 137,234.39

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1.5x scale

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.