Home / 176,099.04-243,014.32-100,645.60

Finding the Fourth Proportional to 176,099.04, 243,014.32 and 100,645.60

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Solution

The fourth proportional to 176,099.04, 243,014.32 and 100,645.60 is: 138,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,099.04 : 243,014.32 = 100,645.60 : x
  2. Step 2: Convert to fraction form
    176,099.04/243,014.32 = 100,645.60/x
  3. Step 3: Cross multiply
    176,099.04x = 243,014.32 × 100,645.60
  4. Step 4: Simplify right side
    176,099.04x = 24,458,322,044.99
  5. Step 5: Solve for x
    x = 24,458,322,044.99/176,099.04
  6. Step 6: Final answer
    x = 138,889.58

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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.