Home / 156,770.26-216,343.58-85,151.48

Finding the Fourth Proportional to 156,770.26, 216,343.58 and 85,151.48

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Solution

The fourth proportional to 156,770.26, 216,343.58 and 85,151.48 is: 117,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.26 : 216,343.58 = 85,151.48 : x
  2. Step 2: Convert to fraction form
    156,770.26/216,343.58 = 85,151.48/x
  3. Step 3: Cross multiply
    156,770.26x = 216,343.58 × 85,151.48
  4. Step 4: Simplify right side
    156,770.26x = 18,421,974,518.02
  5. Step 5: Solve for x
    x = 18,421,974,518.02/156,770.26
  6. Step 6: Final answer
    x = 117,509.37

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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.