Home / 116,526.11-160,807.16-66,225.47

Finding the Fourth Proportional to 116,526.11, 160,807.16 and 66,225.47

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Solution

The fourth proportional to 116,526.11, 160,807.16 and 66,225.47 is: 91,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,526.11 : 160,807.16 = 66,225.47 : x
  2. Step 2: Convert to fraction form
    116,526.11/160,807.16 = 66,225.47/x
  3. Step 3: Cross multiply
    116,526.11x = 160,807.16 × 66,225.47
  4. Step 4: Simplify right side
    116,526.11x = 10,649,529,419.24
  5. Step 5: Solve for x
    x = 10,649,529,419.24/116,526.11
  6. Step 6: Final answer
    x = 91,391.79

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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.