Home / 151,820.25-209,511.96-84,752.25

Finding the Fourth Proportional to 151,820.25, 209,511.96 and 84,752.25

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Solution

The fourth proportional to 151,820.25, 209,511.96 and 84,752.25 is: 116,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,820.25 : 209,511.96 = 84,752.25 : x
  2. Step 2: Convert to fraction form
    151,820.25/209,511.96 = 84,752.25/x
  3. Step 3: Cross multiply
    151,820.25x = 209,511.96 × 84,752.25
  4. Step 4: Simplify right side
    151,820.25x = 17,756,610,011.91
  5. Step 5: Solve for x
    x = 17,756,610,011.91/151,820.25
  6. Step 6: Final answer
    x = 116,958.11

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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.