Home / 154,034.25-212,559.61-86,037.67

Finding the Fourth Proportional to 154,034.25, 212,559.61 and 86,037.67

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Solution

The fourth proportional to 154,034.25, 212,559.61 and 86,037.67 is: 118,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034.25 : 212,559.61 = 86,037.67 : x
  2. Step 2: Convert to fraction form
    154,034.25/212,559.61 = 86,037.67/x
  3. Step 3: Cross multiply
    154,034.25x = 212,559.61 × 86,037.67
  4. Step 4: Simplify right side
    154,034.25x = 18,288,133,580.51
  5. Step 5: Solve for x
    x = 18,288,133,580.51/154,034.25
  6. Step 6: Final answer
    x = 118,727.71

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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.