Home / 319,293.60-440,628.24-176,058.72

Finding the Fourth Proportional to 319,293.60, 440,628.24 and 176,058.72

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Solution

The fourth proportional to 319,293.60, 440,628.24 and 176,058.72 is: 242,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,293.60 : 440,628.24 = 176,058.72 : x
  2. Step 2: Convert to fraction form
    319,293.60/440,628.24 = 176,058.72/x
  3. Step 3: Cross multiply
    319,293.60x = 440,628.24 × 176,058.72
  4. Step 4: Simplify right side
    319,293.60x = 77,576,443,930.25
  5. Step 5: Solve for x
    x = 77,576,443,930.25/319,293.60
  6. Step 6: Final answer
    x = 242,962.73

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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.