Home / 314,867.52-434,521.70-171,627.56

Finding the Fourth Proportional to 314,867.52, 434,521.70 and 171,627.56

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Solution

The fourth proportional to 314,867.52, 434,521.70 and 171,627.56 is: 236,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,867.52 : 434,521.70 = 171,627.56 : x
  2. Step 2: Convert to fraction form
    314,867.52/434,521.70 = 171,627.56/x
  3. Step 3: Cross multiply
    314,867.52x = 434,521.70 × 171,627.56
  4. Step 4: Simplify right side
    314,867.52x = 74,575,899,104.42
  5. Step 5: Solve for x
    x = 74,575,899,104.42/314,867.52
  6. Step 6: Final answer
    x = 236,848.50

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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.