Home / 319,201.12-440,500.62-175,966.30

Finding the Fourth Proportional to 319,201.12, 440,500.62 and 175,966.30

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Solution

The fourth proportional to 319,201.12, 440,500.62 and 175,966.30 is: 242,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,201.12 : 440,500.62 = 175,966.30 : x
  2. Step 2: Convert to fraction form
    319,201.12/440,500.62 = 175,966.30/x
  3. Step 3: Cross multiply
    319,201.12x = 440,500.62 × 175,966.30
  4. Step 4: Simplify right side
    319,201.12x = 77,513,264,249.11
  5. Step 5: Solve for x
    x = 77,513,264,249.11/319,201.12
  6. Step 6: Final answer
    x = 242,835.19

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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.