Home / 309,035.04-463,760.28-109,354.60

Finding the Fourth Proportional to 309,035.04, 463,760.28 and 109,354.60

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Solution

The fourth proportional to 309,035.04, 463,760.28 and 109,354.60 is: 164,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,035.04 : 463,760.28 = 109,354.60 : x
  2. Step 2: Convert to fraction form
    309,035.04/463,760.28 = 109,354.60/x
  3. Step 3: Cross multiply
    309,035.04x = 463,760.28 × 109,354.60
  4. Step 4: Simplify right side
    309,035.04x = 50,714,319,915.29
  5. Step 5: Solve for x
    x = 50,714,319,915.29/309,035.04
  6. Step 6: Final answer
    x = 164,105.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.