Home / 314,512.20-434,032.02-171,275.04

Finding the Fourth Proportional to 314,512.20, 434,032.02 and 171,275.04

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Solution

The fourth proportional to 314,512.20, 434,032.02 and 171,275.04 is: 236,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,512.20 : 434,032.02 = 171,275.04 : x
  2. Step 2: Convert to fraction form
    314,512.20/434,032.02 = 171,275.04/x
  3. Step 3: Cross multiply
    314,512.20x = 434,032.02 × 171,275.04
  4. Step 4: Simplify right side
    314,512.20x = 74,338,851,586.78
  5. Step 5: Solve for x
    x = 74,338,851,586.78/314,512.20
  6. Step 6: Final answer
    x = 236,362.38

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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.