Home / 319,252.12-440,109.98-251,150.72

Finding the Fourth Proportional to 319,252.12, 440,109.98 and 251,150.72

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Solution

The fourth proportional to 319,252.12, 440,109.98 and 251,150.72 is: 346,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,252.12 : 440,109.98 = 251,150.72 : x
  2. Step 2: Convert to fraction form
    319,252.12/440,109.98 = 251,150.72/x
  3. Step 3: Cross multiply
    319,252.12x = 440,109.98 × 251,150.72
  4. Step 4: Simplify right side
    319,252.12x = 110,533,938,356.19
  5. Step 5: Solve for x
    x = 110,533,938,356.19/319,252.12
  6. Step 6: Final answer
    x = 346,227.74

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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.