Home / 319,253.72-440,573.13-176,018.90

Finding the Fourth Proportional to 319,253.72, 440,573.13 and 176,018.90

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Solution

The fourth proportional to 319,253.72, 440,573.13 and 176,018.90 is: 242,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,253.72 : 440,573.13 = 176,018.90 : x
  2. Step 2: Convert to fraction form
    319,253.72/440,573.13 = 176,018.90/x
  3. Step 3: Cross multiply
    319,253.72x = 440,573.13 × 176,018.90
  4. Step 4: Simplify right side
    319,253.72x = 77,549,195,509.29
  5. Step 5: Solve for x
    x = 77,549,195,509.29/319,253.72
  6. Step 6: Final answer
    x = 242,907.73

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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.