Home / 319,188.89-440,475.21-175,962.26

Finding the Fourth Proportional to 319,188.89, 440,475.21 and 175,962.26

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Solution

The fourth proportional to 319,188.89, 440,475.21 and 175,962.26 is: 242,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,188.89 : 440,475.21 = 175,962.26 : x
  2. Step 2: Convert to fraction form
    319,188.89/440,475.21 = 175,962.26/x
  3. Step 3: Cross multiply
    319,188.89x = 440,475.21 × 175,962.26
  4. Step 4: Simplify right side
    319,188.89x = 77,507,011,223.20
  5. Step 5: Solve for x
    x = 77,507,011,223.20/319,188.89
  6. Step 6: Final answer
    x = 242,824.91

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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.