Home / 151,006.83-208,395.23-86,486.28

Finding the Fourth Proportional to 151,006.83, 208,395.23 and 86,486.28

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Solution

The fourth proportional to 151,006.83, 208,395.23 and 86,486.28 is: 119,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,006.83 : 208,395.23 = 86,486.28 : x
  2. Step 2: Convert to fraction form
    151,006.83/208,395.23 = 86,486.28/x
  3. Step 3: Cross multiply
    151,006.83x = 208,395.23 × 86,486.28
  4. Step 4: Simplify right side
    151,006.83x = 18,023,327,780.01
  5. Step 5: Solve for x
    x = 18,023,327,780.01/151,006.83
  6. Step 6: Final answer
    x = 119,354.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.