Home / 251,778.08-347,409.60-151,178.24

Finding the Fourth Proportional to 251,778.08, 347,409.60 and 151,178.24

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Solution

The fourth proportional to 251,778.08, 347,409.60 and 151,178.24 is: 208,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,778.08 : 347,409.60 = 151,178.24 : x
  2. Step 2: Convert to fraction form
    251,778.08/347,409.60 = 151,178.24/x
  3. Step 3: Cross multiply
    251,778.08x = 347,409.60 × 151,178.24
  4. Step 4: Simplify right side
    251,778.08x = 52,520,771,887.10
  5. Step 5: Solve for x
    x = 52,520,771,887.10/251,778.08
  6. Step 6: Final answer
    x = 208,599.46

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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.