Home / 118,219.84-177,362.88-51,665.92

Finding the Fourth Proportional to 118,219.84, 177,362.88 and 51,665.92

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Solution

The fourth proportional to 118,219.84, 177,362.88 and 51,665.92 is: 77,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,219.84 : 177,362.88 = 51,665.92 : x
  2. Step 2: Convert to fraction form
    118,219.84/177,362.88 = 51,665.92/x
  3. Step 3: Cross multiply
    118,219.84x = 177,362.88 × 51,665.92
  4. Step 4: Simplify right side
    118,219.84x = 9,163,616,369.05
  5. Step 5: Solve for x
    x = 9,163,616,369.05/118,219.84
  6. Step 6: Final answer
    x = 77,513.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.