Home / 156,614.96-216,130.26-84,995.60

Finding the Fourth Proportional to 156,614.96, 216,130.26 and 84,995.60

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Solution

The fourth proportional to 156,614.96, 216,130.26 and 84,995.60 is: 117,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,614.96 : 216,130.26 = 84,995.60 : x
  2. Step 2: Convert to fraction form
    156,614.96/216,130.26 = 84,995.60/x
  3. Step 3: Cross multiply
    156,614.96x = 216,130.26 × 84,995.60
  4. Step 4: Simplify right side
    156,614.96x = 18,370,121,126.86
  5. Step 5: Solve for x
    x = 18,370,121,126.86/156,614.96
  6. Step 6: Final answer
    x = 117,294.80

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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.