Home / 284,947.17-393,188.58-162,455.35

Finding the Fourth Proportional to 284,947.17, 393,188.58 and 162,455.35

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Solution

The fourth proportional to 284,947.17, 393,188.58 and 162,455.35 is: 224,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,947.17 : 393,188.58 = 162,455.35 : x
  2. Step 2: Convert to fraction form
    284,947.17/393,188.58 = 162,455.35/x
  3. Step 3: Cross multiply
    284,947.17x = 393,188.58 × 162,455.35
  4. Step 4: Simplify right side
    284,947.17x = 63,875,587,028.32
  5. Step 5: Solve for x
    x = 63,875,587,028.32/284,947.17
  6. Step 6: Final answer
    x = 224,166.42

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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.