Home / 224,301.85-309,543.47-128,827.69

Finding the Fourth Proportional to 224,301.85, 309,543.47 and 128,827.69

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Solution

The fourth proportional to 224,301.85, 309,543.47 and 128,827.69 is: 177,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,301.85 : 309,543.47 = 128,827.69 : x
  2. Step 2: Convert to fraction form
    224,301.85/309,543.47 = 128,827.69/x
  3. Step 3: Cross multiply
    224,301.85x = 309,543.47 × 128,827.69
  4. Step 4: Simplify right side
    224,301.85x = 39,877,769,550.55
  5. Step 5: Solve for x
    x = 39,877,769,550.55/224,301.85
  6. Step 6: Final answer
    x = 177,786.18

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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.