Home / 122,174.34-168,500.62-85,995.55

Finding the Fourth Proportional to 122,174.34, 168,500.62 and 85,995.55

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Solution

The fourth proportional to 122,174.34, 168,500.62 and 85,995.55 is: 118,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,174.34 : 168,500.62 = 85,995.55 : x
  2. Step 2: Convert to fraction form
    122,174.34/168,500.62 = 85,995.55/x
  3. Step 3: Cross multiply
    122,174.34x = 168,500.62 × 85,995.55
  4. Step 4: Simplify right side
    122,174.34x = 14,490,302,219.76
  5. Step 5: Solve for x
    x = 14,490,302,219.76/122,174.34
  6. Step 6: Final answer
    x = 118,603.49

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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.