Home / 224,285.32-309,521.19-122,316.36

Finding the Fourth Proportional to 224,285.32, 309,521.19 and 122,316.36

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Solution

The fourth proportional to 224,285.32, 309,521.19 and 122,316.36 is: 168,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,285.32 : 309,521.19 = 122,316.36 : x
  2. Step 2: Convert to fraction form
    224,285.32/309,521.19 = 122,316.36/x
  3. Step 3: Cross multiply
    224,285.32x = 309,521.19 × 122,316.36
  4. Step 4: Simplify right side
    224,285.32x = 37,859,505,303.67
  5. Step 5: Solve for x
    x = 37,859,505,303.67/224,285.32
  6. Step 6: Final answer
    x = 168,800.64

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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.