Home / 116,526.50-160,806.75-66,225.50

Finding the Fourth Proportional to 116,526.50, 160,806.75 and 66,225.50

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Solution

The fourth proportional to 116,526.50, 160,806.75 and 66,225.50 is: 91,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,526.50 : 160,806.75 = 66,225.50 : x
  2. Step 2: Convert to fraction form
    116,526.50/160,806.75 = 66,225.50/x
  3. Step 3: Cross multiply
    116,526.50x = 160,806.75 × 66,225.50
  4. Step 4: Simplify right side
    116,526.50x = 10,649,507,422.13
  5. Step 5: Solve for x
    x = 10,649,507,422.13/116,526.50
  6. Step 6: Final answer
    x = 91,391.29

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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.