Home / 224,905.59-310,369.46-122,931.72

Finding the Fourth Proportional to 224,905.59, 310,369.46 and 122,931.72

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Solution

The fourth proportional to 224,905.59, 310,369.46 and 122,931.72 is: 169,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,905.59 : 310,369.46 = 122,931.72 : x
  2. Step 2: Convert to fraction form
    224,905.59/310,369.46 = 122,931.72/x
  3. Step 3: Cross multiply
    224,905.59x = 310,369.46 × 122,931.72
  4. Step 4: Simplify right side
    224,905.59x = 38,154,250,938.61
  5. Step 5: Solve for x
    x = 38,154,250,938.61/224,905.59
  6. Step 6: Final answer
    x = 169,645.63

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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.