Home / 319,526.60-440,939.28-176,286.58

Finding the Fourth Proportional to 319,526.60, 440,939.28 and 176,286.58

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Solution

The fourth proportional to 319,526.60, 440,939.28 and 176,286.58 is: 243,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,526.60 : 440,939.28 = 176,286.58 : x
  2. Step 2: Convert to fraction form
    319,526.60/440,939.28 = 176,286.58/x
  3. Step 3: Cross multiply
    319,526.60x = 440,939.28 × 176,286.58
  4. Step 4: Simplify right side
    319,526.60x = 77,731,677,658.86
  5. Step 5: Solve for x
    x = 77,731,677,658.86/319,526.60
  6. Step 6: Final answer
    x = 243,271.38

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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.