Home / 112,299.15-154,986.08-64,554.51

Finding the Fourth Proportional to 112,299.15, 154,986.08 and 64,554.51

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Solution

The fourth proportional to 112,299.15, 154,986.08 and 64,554.51 is: 89,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,299.15 : 154,986.08 = 64,554.51 : x
  2. Step 2: Convert to fraction form
    112,299.15/154,986.08 = 64,554.51/x
  3. Step 3: Cross multiply
    112,299.15x = 154,986.08 × 64,554.51
  4. Step 4: Simplify right side
    112,299.15x = 10,005,050,128.45
  5. Step 5: Solve for x
    x = 10,005,050,128.45/112,299.15
  6. Step 6: Final answer
    x = 89,092.84

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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.