Home / 224,128.80-309,162.96-176,306.40

Finding the Fourth Proportional to 224,128.80, 309,162.96 and 176,306.40

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Solution

The fourth proportional to 224,128.80, 309,162.96 and 176,306.40 is: 243,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,128.80 : 309,162.96 = 176,306.40 : x
  2. Step 2: Convert to fraction form
    224,128.80/309,162.96 = 176,306.40/x
  3. Step 3: Cross multiply
    224,128.80x = 309,162.96 × 176,306.40
  4. Step 4: Simplify right side
    224,128.80x = 54,507,408,490.94
  5. Step 5: Solve for x
    x = 54,507,408,490.94/224,128.80
  6. Step 6: Final answer
    x = 243,196.81

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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.