Home / 109,580.84-151,220.08-61,183.51

Finding the Fourth Proportional to 109,580.84, 151,220.08 and 61,183.51

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Solution

The fourth proportional to 109,580.84, 151,220.08 and 61,183.51 is: 84,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,580.84 : 151,220.08 = 61,183.51 : x
  2. Step 2: Convert to fraction form
    109,580.84/151,220.08 = 61,183.51/x
  3. Step 3: Cross multiply
    109,580.84x = 151,220.08 × 61,183.51
  4. Step 4: Simplify right side
    109,580.84x = 9,252,175,639.39
  5. Step 5: Solve for x
    x = 9,252,175,639.39/109,580.84
  6. Step 6: Final answer
    x = 84,432.42

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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.