Home / 314,843.08-434,480.66-171,603.12

Finding the Fourth Proportional to 314,843.08, 434,480.66 and 171,603.12

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Solution

The fourth proportional to 314,843.08, 434,480.66 and 171,603.12 is: 236,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,843.08 : 434,480.66 = 171,603.12 : x
  2. Step 2: Convert to fraction form
    314,843.08/434,480.66 = 171,603.12/x
  3. Step 3: Cross multiply
    314,843.08x = 434,480.66 × 171,603.12
  4. Step 4: Simplify right side
    314,843.08x = 74,558,236,835.66
  5. Step 5: Solve for x
    x = 74,558,236,835.66/314,843.08
  6. Step 6: Final answer
    x = 236,810.78

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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.