Home / 116,173.12-160,312.26-64,487.56

Finding the Fourth Proportional to 116,173.12, 160,312.26 and 64,487.56

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Solution

The fourth proportional to 116,173.12, 160,312.26 and 64,487.56 is: 88,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,173.12 : 160,312.26 = 64,487.56 : x
  2. Step 2: Convert to fraction form
    116,173.12/160,312.26 = 64,487.56/x
  3. Step 3: Cross multiply
    116,173.12x = 160,312.26 × 64,487.56
  4. Step 4: Simplify right side
    116,173.12x = 10,338,146,485.49
  5. Step 5: Solve for x
    x = 10,338,146,485.49/116,173.12
  6. Step 6: Final answer
    x = 88,989.14

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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.