Home / 156,188.87-215,431.02-95,783.59

Finding the Fourth Proportional to 156,188.87, 215,431.02 and 95,783.59

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Solution

The fourth proportional to 156,188.87, 215,431.02 and 95,783.59 is: 132,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,188.87 : 215,431.02 = 95,783.59 : x
  2. Step 2: Convert to fraction form
    156,188.87/215,431.02 = 95,783.59/x
  3. Step 3: Cross multiply
    156,188.87x = 215,431.02 × 95,783.59
  4. Step 4: Simplify right side
    156,188.87x = 20,634,756,762.25
  5. Step 5: Solve for x
    x = 20,634,756,762.25/156,188.87
  6. Step 6: Final answer
    x = 132,114.13

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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.