Home / 224,107.15-309,258.85-122,130.43

Finding the Fourth Proportional to 224,107.15, 309,258.85 and 122,130.43

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Solution

The fourth proportional to 224,107.15, 309,258.85 and 122,130.43 is: 168,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,107.15 : 309,258.85 = 122,130.43 : x
  2. Step 2: Convert to fraction form
    224,107.15/309,258.85 = 122,130.43/x
  3. Step 3: Cross multiply
    224,107.15x = 309,258.85 × 122,130.43
  4. Step 4: Simplify right side
    224,107.15x = 37,769,916,331.81
  5. Step 5: Solve for x
    x = 37,769,916,331.81/224,107.15
  6. Step 6: Final answer
    x = 168,535.08

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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.