Home / 319,089.11-440,265.65-181,237.37

Finding the Fourth Proportional to 319,089.11, 440,265.65 and 181,237.37

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Solution

The fourth proportional to 319,089.11, 440,265.65 and 181,237.37 is: 250,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,089.11 : 440,265.65 = 181,237.37 : x
  2. Step 2: Convert to fraction form
    319,089.11/440,265.65 = 181,237.37/x
  3. Step 3: Cross multiply
    319,089.11x = 440,265.65 × 181,237.37
  4. Step 4: Simplify right side
    319,089.11x = 79,792,590,643.76
  5. Step 5: Solve for x
    x = 79,792,590,643.76/319,089.11
  6. Step 6: Final answer
    x = 250,063.66

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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.