Home / 118,943.84-164,140.04-73,609.76

Finding the Fourth Proportional to 118,943.84, 164,140.04 and 73,609.76

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Solution

The fourth proportional to 118,943.84, 164,140.04 and 73,609.76 is: 101,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,943.84 : 164,140.04 = 73,609.76 : x
  2. Step 2: Convert to fraction form
    118,943.84/164,140.04 = 73,609.76/x
  3. Step 3: Cross multiply
    118,943.84x = 164,140.04 × 73,609.76
  4. Step 4: Simplify right side
    118,943.84x = 12,082,308,950.79
  5. Step 5: Solve for x
    x = 12,082,308,950.79/118,943.84
  6. Step 6: Final answer
    x = 101,579.95

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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.