Home / 224,103.12-309,260.64-123,501.12

Finding the Fourth Proportional to 224,103.12, 309,260.64 and 123,501.12

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Solution

The fourth proportional to 224,103.12, 309,260.64 and 123,501.12 is: 170,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,103.12 : 309,260.64 = 123,501.12 : x
  2. Step 2: Convert to fraction form
    224,103.12/309,260.64 = 123,501.12/x
  3. Step 3: Cross multiply
    224,103.12x = 309,260.64 × 123,501.12
  4. Step 4: Simplify right side
    224,103.12x = 38,194,035,411.92
  5. Step 5: Solve for x
    x = 38,194,035,411.92/224,103.12
  6. Step 6: Final answer
    x = 170,430.63

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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.