Home / 117,888.75-162,686.49-64,174.16

Finding the Fourth Proportional to 117,888.75, 162,686.49 and 64,174.16

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Solution

The fourth proportional to 117,888.75, 162,686.49 and 64,174.16 is: 88,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.75 : 162,686.49 = 64,174.16 : x
  2. Step 2: Convert to fraction form
    117,888.75/162,686.49 = 64,174.16/x
  3. Step 3: Cross multiply
    117,888.75x = 162,686.49 × 64,174.16
  4. Step 4: Simplify right side
    117,888.75x = 10,440,268,518.23
  5. Step 5: Solve for x
    x = 10,440,268,518.23/117,888.75
  6. Step 6: Final answer
    x = 88,560.35

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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.