Home / 319,290.30-440,640.45-176,050.17

Finding the Fourth Proportional to 319,290.30, 440,640.45 and 176,050.17

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Solution

The fourth proportional to 319,290.30, 440,640.45 and 176,050.17 is: 242,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,290.30 : 440,640.45 = 176,050.17 : x
  2. Step 2: Convert to fraction form
    319,290.30/440,640.45 = 176,050.17/x
  3. Step 3: Cross multiply
    319,290.30x = 440,640.45 × 176,050.17
  4. Step 4: Simplify right side
    319,290.30x = 77,574,826,131.38
  5. Step 5: Solve for x
    x = 77,574,826,131.38/319,290.30
  6. Step 6: Final answer
    x = 242,960.17

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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.