Home / 156,984.24-216,638.64-85,364.22

Finding the Fourth Proportional to 156,984.24, 216,638.64 and 85,364.22

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Solution

The fourth proportional to 156,984.24, 216,638.64 and 85,364.22 is: 117,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.24 : 216,638.64 = 85,364.22 : x
  2. Step 2: Convert to fraction form
    156,984.24/216,638.64 = 85,364.22/x
  3. Step 3: Cross multiply
    156,984.24x = 216,638.64 × 85,364.22
  4. Step 4: Simplify right side
    156,984.24x = 18,493,188,525.46
  5. Step 5: Solve for x
    x = 18,493,188,525.46/156,984.24
  6. Step 6: Final answer
    x = 117,802.84

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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.