Home / 186,218.01-279,108.11-86,166.81

Finding the Fourth Proportional to 186,218.01, 279,108.11 and 86,166.81

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Solution

The fourth proportional to 186,218.01, 279,108.11 and 86,166.81 is: 129,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,218.01 : 279,108.11 = 86,166.81 : x
  2. Step 2: Convert to fraction form
    186,218.01/279,108.11 = 86,166.81/x
  3. Step 3: Cross multiply
    186,218.01x = 279,108.11 × 86,166.81
  4. Step 4: Simplify right side
    186,218.01x = 24,049,855,699.25
  5. Step 5: Solve for x
    x = 24,049,855,699.25/186,218.01
  6. Step 6: Final answer
    x = 129,148.92

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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.