Home / 319,108.29-440,360.79-175,868.30

Finding the Fourth Proportional to 319,108.29, 440,360.79 and 175,868.30

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Solution

The fourth proportional to 319,108.29, 440,360.79 and 175,868.30 is: 242,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,108.29 : 440,360.79 = 175,868.30 : x
  2. Step 2: Convert to fraction form
    319,108.29/440,360.79 = 175,868.30/x
  3. Step 3: Cross multiply
    319,108.29x = 440,360.79 × 175,868.30
  4. Step 4: Simplify right side
    319,108.29x = 77,445,501,322.15
  5. Step 5: Solve for x
    x = 77,445,501,322.15/319,108.29
  6. Step 6: Final answer
    x = 242,693.48

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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.