Home / 191,540.16-287,310.40-60,212.16

Finding the Fourth Proportional to 191,540.16, 287,310.40 and 60,212.16

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Solution

The fourth proportional to 191,540.16, 287,310.40 and 60,212.16 is: 90,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,540.16 : 287,310.40 = 60,212.16 : x
  2. Step 2: Convert to fraction form
    191,540.16/287,310.40 = 60,212.16/x
  3. Step 3: Cross multiply
    191,540.16x = 287,310.40 × 60,212.16
  4. Step 4: Simplify right side
    191,540.16x = 17,299,579,774.46
  5. Step 5: Solve for x
    x = 17,299,579,774.46/191,540.16
  6. Step 6: Final answer
    x = 90,318.29

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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.