Home / 314,808.06-434,436.62-178,849.46

Finding the Fourth Proportional to 314,808.06, 434,436.62 and 178,849.46

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Solution

The fourth proportional to 314,808.06, 434,436.62 and 178,849.46 is: 246,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,808.06 : 434,436.62 = 178,849.46 : x
  2. Step 2: Convert to fraction form
    314,808.06/434,436.62 = 178,849.46/x
  3. Step 3: Cross multiply
    314,808.06x = 434,436.62 × 178,849.46
  4. Step 4: Simplify right side
    314,808.06x = 77,698,755,808.54
  5. Step 5: Solve for x
    x = 77,698,755,808.54/314,808.06
  6. Step 6: Final answer
    x = 246,813.11

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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.