Home / 112,120.04-154,564.89-88,205.18

Finding the Fourth Proportional to 112,120.04, 154,564.89 and 88,205.18

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Solution

The fourth proportional to 112,120.04, 154,564.89 and 88,205.18 is: 121,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.04 : 154,564.89 = 88,205.18 : x
  2. Step 2: Convert to fraction form
    112,120.04/154,564.89 = 88,205.18/x
  3. Step 3: Cross multiply
    112,120.04x = 154,564.89 × 88,205.18
  4. Step 4: Simplify right side
    112,120.04x = 13,633,423,944.13
  5. Step 5: Solve for x
    x = 13,633,423,944.13/112,120.04
  6. Step 6: Final answer
    x = 121,596.67

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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.