Home / 319,132.10-440,400.12-175,892.24

Finding the Fourth Proportional to 319,132.10, 440,400.12 and 175,892.24

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Solution

The fourth proportional to 319,132.10, 440,400.12 and 175,892.24 is: 242,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,132.10 : 440,400.12 = 175,892.24 : x
  2. Step 2: Convert to fraction form
    319,132.10/440,400.12 = 175,892.24/x
  3. Step 3: Cross multiply
    319,132.10x = 440,400.12 × 175,892.24
  4. Step 4: Simplify right side
    319,132.10x = 77,462,963,603.07
  5. Step 5: Solve for x
    x = 77,462,963,603.07/319,132.10
  6. Step 6: Final answer
    x = 242,730.09

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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.