Home / 224,750.07-310,164.54-129,256.85

Finding the Fourth Proportional to 224,750.07, 310,164.54 and 129,256.85

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Solution

The fourth proportional to 224,750.07, 310,164.54 and 129,256.85 is: 178,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,750.07 : 310,164.54 = 129,256.85 : x
  2. Step 2: Convert to fraction form
    224,750.07/310,164.54 = 129,256.85/x
  3. Step 3: Cross multiply
    224,750.07x = 310,164.54 × 129,256.85
  4. Step 4: Simplify right side
    224,750.07x = 40,090,891,712.80
  5. Step 5: Solve for x
    x = 40,090,891,712.80/224,750.07
  6. Step 6: Final answer
    x = 178,379.89

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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.