Home / 319,156.56-440,439.12-175,922.16

Finding the Fourth Proportional to 319,156.56, 440,439.12 and 175,922.16

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Solution

The fourth proportional to 319,156.56, 440,439.12 and 175,922.16 is: 242,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,156.56 : 440,439.12 = 175,922.16 : x
  2. Step 2: Convert to fraction form
    319,156.56/440,439.12 = 175,922.16/x
  3. Step 3: Cross multiply
    319,156.56x = 440,439.12 × 175,922.16
  4. Step 4: Simplify right side
    319,156.56x = 77,483,001,338.90
  5. Step 5: Solve for x
    x = 77,483,001,338.90/319,156.56
  6. Step 6: Final answer
    x = 242,774.27

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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.