Home / 224,145.63-309,319.01-122,171.10

Finding the Fourth Proportional to 224,145.63, 309,319.01 and 122,171.10

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Solution

The fourth proportional to 224,145.63, 309,319.01 and 122,171.10 is: 168,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,145.63 : 309,319.01 = 122,171.10 : x
  2. Step 2: Convert to fraction form
    224,145.63/309,319.01 = 122,171.10/x
  3. Step 3: Cross multiply
    224,145.63x = 309,319.01 × 122,171.10
  4. Step 4: Simplify right side
    224,145.63x = 37,789,843,091.76
  5. Step 5: Solve for x
    x = 37,789,843,091.76/224,145.63
  6. Step 6: Final answer
    x = 168,595.05

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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.