Home / 284,167.44-392,137.20-163,223.10

Finding the Fourth Proportional to 284,167.44, 392,137.20 and 163,223.10

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Solution

The fourth proportional to 284,167.44, 392,137.20 and 163,223.10 is: 225,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,167.44 : 392,137.20 = 163,223.10 : x
  2. Step 2: Convert to fraction form
    284,167.44/392,137.20 = 163,223.10/x
  3. Step 3: Cross multiply
    284,167.44x = 392,137.20 × 163,223.10
  4. Step 4: Simplify right side
    284,167.44x = 64,005,849,409.32
  5. Step 5: Solve for x
    x = 64,005,849,409.32/284,167.44
  6. Step 6: Final answer
    x = 225,239.91

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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.