Home / 319,279.32-440,604.26-176,047.22

Finding the Fourth Proportional to 319,279.32, 440,604.26 and 176,047.22

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Solution

The fourth proportional to 319,279.32, 440,604.26 and 176,047.22 is: 242,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,279.32 : 440,604.26 = 176,047.22 : x
  2. Step 2: Convert to fraction form
    319,279.32/440,604.26 = 176,047.22/x
  3. Step 3: Cross multiply
    319,279.32x = 440,604.26 × 176,047.22
  4. Step 4: Simplify right side
    319,279.32x = 77,567,155,974.61
  5. Step 5: Solve for x
    x = 77,567,155,974.61/319,279.32
  6. Step 6: Final answer
    x = 242,944.50

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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.