Home / 284,878.04-427,015.74-107,308.22

Finding the Fourth Proportional to 284,878.04, 427,015.74 and 107,308.22

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Solution

The fourth proportional to 284,878.04, 427,015.74 and 107,308.22 is: 160,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,878.04 : 427,015.74 = 107,308.22 : x
  2. Step 2: Convert to fraction form
    284,878.04/427,015.74 = 107,308.22/x
  3. Step 3: Cross multiply
    284,878.04x = 427,015.74 × 107,308.22
  4. Step 4: Simplify right side
    284,878.04x = 45,822,298,971.38
  5. Step 5: Solve for x
    x = 45,822,298,971.38/284,878.04
  6. Step 6: Final answer
    x = 160,848.83

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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.