Home / 122,024.67-168,307.24-111,985.53

Finding the Fourth Proportional to 122,024.67, 168,307.24 and 111,985.53

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Solution

The fourth proportional to 122,024.67, 168,307.24 and 111,985.53 is: 154,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,024.67 : 168,307.24 = 111,985.53 : x
  2. Step 2: Convert to fraction form
    122,024.67/168,307.24 = 111,985.53/x
  3. Step 3: Cross multiply
    122,024.67x = 168,307.24 × 111,985.53
  4. Step 4: Simplify right side
    122,024.67x = 18,847,975,474.24
  5. Step 5: Solve for x
    x = 18,847,975,474.24/122,024.67
  6. Step 6: Final answer
    x = 154,460.37

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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.