Home / 319,217.52-440,525.06-174,023.40

Finding the Fourth Proportional to 319,217.52, 440,525.06 and 174,023.40

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Solution

The fourth proportional to 319,217.52, 440,525.06 and 174,023.40 is: 240,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,217.52 : 440,525.06 = 174,023.40 : x
  2. Step 2: Convert to fraction form
    319,217.52/440,525.06 = 174,023.40/x
  3. Step 3: Cross multiply
    319,217.52x = 440,525.06 × 174,023.40
  4. Step 4: Simplify right side
    319,217.52x = 76,661,668,726.40
  5. Step 5: Solve for x
    x = 76,661,668,726.40/319,217.52
  6. Step 6: Final answer
    x = 240,154.95

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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.