Home / 661,738.07-992,607.20-163,102.07

Finding the Fourth Proportional to 661,738.07, 992,607.20 and 163,102.07

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Solution

The fourth proportional to 661,738.07, 992,607.20 and 163,102.07 is: 244,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,738.07 : 992,607.20 = 163,102.07 : x
  2. Step 2: Convert to fraction form
    661,738.07/992,607.20 = 163,102.07/x
  3. Step 3: Cross multiply
    661,738.07x = 992,607.20 × 163,102.07
  4. Step 4: Simplify right side
    661,738.07x = 161,896,289,016.90
  5. Step 5: Solve for x
    x = 161,896,289,016.90/661,738.07
  6. Step 6: Final answer
    x = 244,653.13

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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.