Home / 314,824.48-434,445.04-171,581.44

Finding the Fourth Proportional to 314,824.48, 434,445.04 and 171,581.44

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Solution

The fourth proportional to 314,824.48, 434,445.04 and 171,581.44 is: 236,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,824.48 : 434,445.04 = 171,581.44 : x
  2. Step 2: Convert to fraction form
    314,824.48/434,445.04 = 171,581.44/x
  3. Step 3: Cross multiply
    314,824.48x = 434,445.04 × 171,581.44
  4. Step 4: Simplify right side
    314,824.48x = 74,542,705,564.06
  5. Step 5: Solve for x
    x = 74,542,705,564.06/314,824.48
  6. Step 6: Final answer
    x = 236,775.44

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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.