Home / 319,023.07-440,248.31-181,201.07

Finding the Fourth Proportional to 319,023.07, 440,248.31 and 181,201.07

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Solution

The fourth proportional to 319,023.07, 440,248.31 and 181,201.07 is: 250,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,023.07 : 440,248.31 = 181,201.07 : x
  2. Step 2: Convert to fraction form
    319,023.07/440,248.31 = 181,201.07/x
  3. Step 3: Cross multiply
    319,023.07x = 440,248.31 × 181,201.07
  4. Step 4: Simplify right side
    319,023.07x = 79,773,464,254.67
  5. Step 5: Solve for x
    x = 79,773,464,254.67/319,023.07
  6. Step 6: Final answer
    x = 250,055.47

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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.