Home / 284,238.24-392,225.18-161,698.01

Finding the Fourth Proportional to 284,238.24, 392,225.18 and 161,698.01

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Solution

The fourth proportional to 284,238.24, 392,225.18 and 161,698.01 is: 223,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,238.24 : 392,225.18 = 161,698.01 : x
  2. Step 2: Convert to fraction form
    284,238.24/392,225.18 = 161,698.01/x
  3. Step 3: Cross multiply
    284,238.24x = 392,225.18 × 161,698.01
  4. Step 4: Simplify right side
    284,238.24x = 63,422,031,077.89
  5. Step 5: Solve for x
    x = 63,422,031,077.89/284,238.24
  6. Step 6: Final answer
    x = 223,129.83

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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.