Home / 314,726.50-434,322.62-171,486.56

Finding the Fourth Proportional to 314,726.50, 434,322.62 and 171,486.56

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Solution

The fourth proportional to 314,726.50, 434,322.62 and 171,486.56 is: 236,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,726.50 : 434,322.62 = 171,486.56 : x
  2. Step 2: Convert to fraction form
    314,726.50/434,322.62 = 171,486.56/x
  3. Step 3: Cross multiply
    314,726.50x = 434,322.62 × 171,486.56
  4. Step 4: Simplify right side
    314,726.50x = 74,480,492,033.99
  5. Step 5: Solve for x
    x = 74,480,492,033.99/314,726.50
  6. Step 6: Final answer
    x = 236,651.48

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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.