Home / 319,127.85-440,399.11-175,888.26

Finding the Fourth Proportional to 319,127.85, 440,399.11 and 175,888.26

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Solution

The fourth proportional to 319,127.85, 440,399.11 and 175,888.26 is: 242,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,127.85 : 440,399.11 = 175,888.26 : x
  2. Step 2: Convert to fraction form
    319,127.85/440,399.11 = 175,888.26/x
  3. Step 3: Cross multiply
    319,127.85x = 440,399.11 × 175,888.26
  4. Step 4: Simplify right side
    319,127.85x = 77,461,034,594.66
  5. Step 5: Solve for x
    x = 77,461,034,594.66/319,127.85
  6. Step 6: Final answer
    x = 242,727.28

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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.