Home / 117,888.59-162,684.58-64,174.05

Finding the Fourth Proportional to 117,888.59, 162,684.58 and 64,174.05

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Solution

The fourth proportional to 117,888.59, 162,684.58 and 64,174.05 is: 88,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.59 : 162,684.58 = 64,174.05 : x
  2. Step 2: Convert to fraction form
    117,888.59/162,684.58 = 64,174.05/x
  3. Step 3: Cross multiply
    117,888.59x = 162,684.58 × 64,174.05
  4. Step 4: Simplify right side
    117,888.59x = 10,440,128,371.15
  5. Step 5: Solve for x
    x = 10,440,128,371.15/117,888.59
  6. Step 6: Final answer
    x = 88,559.28

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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.