Home / 156,926.48-216,559.56-85,307.12

Finding the Fourth Proportional to 156,926.48, 216,559.56 and 85,307.12

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Solution

The fourth proportional to 156,926.48, 216,559.56 and 85,307.12 is: 117,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.48 : 216,559.56 = 85,307.12 : x
  2. Step 2: Convert to fraction form
    156,926.48/216,559.56 = 85,307.12/x
  3. Step 3: Cross multiply
    156,926.48x = 216,559.56 × 85,307.12
  4. Step 4: Simplify right side
    156,926.48x = 18,474,072,372.07
  5. Step 5: Solve for x
    x = 18,474,072,372.07/156,926.48
  6. Step 6: Final answer
    x = 117,724.38

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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.