Home / 319,519.08-440,933.40-176,280.24

Finding the Fourth Proportional to 319,519.08, 440,933.40 and 176,280.24

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Solution

The fourth proportional to 319,519.08, 440,933.40 and 176,280.24 is: 243,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,519.08 : 440,933.40 = 176,280.24 : x
  2. Step 2: Convert to fraction form
    319,519.08/440,933.40 = 176,280.24/x
  3. Step 3: Cross multiply
    319,519.08x = 440,933.40 × 176,280.24
  4. Step 4: Simplify right side
    319,519.08x = 77,727,845,576.02
  5. Step 5: Solve for x
    x = 77,727,845,576.02/319,519.08
  6. Step 6: Final answer
    x = 243,265.11

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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.