Home / 158,712.54-219,022.68-87,093.75

Finding the Fourth Proportional to 158,712.54, 219,022.68 and 87,093.75

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Solution

The fourth proportional to 158,712.54, 219,022.68 and 87,093.75 is: 120,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,712.54 : 219,022.68 = 87,093.75 : x
  2. Step 2: Convert to fraction form
    158,712.54/219,022.68 = 87,093.75/x
  3. Step 3: Cross multiply
    158,712.54x = 219,022.68 × 87,093.75
  4. Step 4: Simplify right side
    158,712.54x = 19,075,506,536.25
  5. Step 5: Solve for x
    x = 19,075,506,536.25/158,712.54
  6. Step 6: Final answer
    x = 120,189.03

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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.