Home / 118,174.74-163,082.55-70,455.54

Finding the Fourth Proportional to 118,174.74, 163,082.55 and 70,455.54

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Solution

The fourth proportional to 118,174.74, 163,082.55 and 70,455.54 is: 97,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,174.74 : 163,082.55 = 70,455.54 : x
  2. Step 2: Convert to fraction form
    118,174.74/163,082.55 = 70,455.54/x
  3. Step 3: Cross multiply
    118,174.74x = 163,082.55 × 70,455.54
  4. Step 4: Simplify right side
    118,174.74x = 11,490,069,124.83
  5. Step 5: Solve for x
    x = 11,490,069,124.83/118,174.74
  6. Step 6: Final answer
    x = 97,229.49

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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.