Home / 118,230.06-163,157.90-64,516.26

Finding the Fourth Proportional to 118,230.06, 163,157.90 and 64,516.26

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Solution

The fourth proportional to 118,230.06, 163,157.90 and 64,516.26 is: 89,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.06 : 163,157.90 = 64,516.26 : x
  2. Step 2: Convert to fraction form
    118,230.06/163,157.90 = 64,516.26/x
  3. Step 3: Cross multiply
    118,230.06x = 163,157.90 × 64,516.26
  4. Step 4: Simplify right side
    118,230.06x = 10,526,337,174.87
  5. Step 5: Solve for x
    x = 10,526,337,174.87/118,230.06
  6. Step 6: Final answer
    x = 89,032.66

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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.