Home / 191,962.20-287,576.10-103,186.20

Finding the Fourth Proportional to 191,962.20, 287,576.10 and 103,186.20

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Solution

The fourth proportional to 191,962.20, 287,576.10 and 103,186.20 is: 154,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,962.20 : 287,576.10 = 103,186.20 : x
  2. Step 2: Convert to fraction form
    191,962.20/287,576.10 = 103,186.20/x
  3. Step 3: Cross multiply
    191,962.20x = 287,576.10 × 103,186.20
  4. Step 4: Simplify right side
    191,962.20x = 29,673,884,969.82
  5. Step 5: Solve for x
    x = 29,673,884,969.82/191,962.20
  6. Step 6: Final answer
    x = 154,581.92

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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.