Home / 299,776.19-413,678.07-163,803.71

Finding the Fourth Proportional to 299,776.19, 413,678.07 and 163,803.71

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Solution

The fourth proportional to 299,776.19, 413,678.07 and 163,803.71 is: 226,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,776.19 : 413,678.07 = 163,803.71 : x
  2. Step 2: Convert to fraction form
    299,776.19/413,678.07 = 163,803.71/x
  3. Step 3: Cross multiply
    299,776.19x = 413,678.07 × 163,803.71
  4. Step 4: Simplify right side
    299,776.19x = 67,762,003,645.83
  5. Step 5: Solve for x
    x = 67,762,003,645.83/299,776.19
  6. Step 6: Final answer
    x = 226,041.98

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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.