Home / 112,296.87-154,995.68-64,577.75

Finding the Fourth Proportional to 112,296.87, 154,995.68 and 64,577.75

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Solution

The fourth proportional to 112,296.87, 154,995.68 and 64,577.75 is: 89,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.87 : 154,995.68 = 64,577.75 : x
  2. Step 2: Convert to fraction form
    112,296.87/154,995.68 = 64,577.75/x
  3. Step 3: Cross multiply
    112,296.87x = 154,995.68 × 64,577.75
  4. Step 4: Simplify right side
    112,296.87x = 10,009,271,176.25
  5. Step 5: Solve for x
    x = 10,009,271,176.25/112,296.87
  6. Step 6: Final answer
    x = 89,132.24

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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.