Home / 319,707.07-441,036.52-223,113.49

Finding the Fourth Proportional to 319,707.07, 441,036.52 and 223,113.49

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Solution

The fourth proportional to 319,707.07, 441,036.52 and 223,113.49 is: 307,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.07 : 441,036.52 = 223,113.49 : x
  2. Step 2: Convert to fraction form
    319,707.07/441,036.52 = 223,113.49/x
  3. Step 3: Cross multiply
    319,707.07x = 441,036.52 × 223,113.49
  4. Step 4: Simplify right side
    319,707.07x = 98,401,197,194.65
  5. Step 5: Solve for x
    x = 98,401,197,194.65/319,707.07
  6. Step 6: Final answer
    x = 307,785.49

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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.