Home / 112,174.12-154,808.58-64,429.48

Finding the Fourth Proportional to 112,174.12, 154,808.58 and 64,429.48

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Solution

The fourth proportional to 112,174.12, 154,808.58 and 64,429.48 is: 88,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,174.12 : 154,808.58 = 64,429.48 : x
  2. Step 2: Convert to fraction form
    112,174.12/154,808.58 = 64,429.48/x
  3. Step 3: Cross multiply
    112,174.12x = 154,808.58 × 64,429.48
  4. Step 4: Simplify right side
    112,174.12x = 9,974,236,308.94
  5. Step 5: Solve for x
    x = 9,974,236,308.94/112,174.12
  6. Step 6: Final answer
    x = 88,917.45

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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.