Home / 207,526.07-311,300.30-65,382.53

Finding the Fourth Proportional to 207,526.07, 311,300.30 and 65,382.53

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Solution

The fourth proportional to 207,526.07, 311,300.30 and 65,382.53 is: 98,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,526.07 : 311,300.30 = 65,382.53 : x
  2. Step 2: Convert to fraction form
    207,526.07/311,300.30 = 65,382.53/x
  3. Step 3: Cross multiply
    207,526.07x = 311,300.30 × 65,382.53
  4. Step 4: Simplify right side
    207,526.07x = 20,353,599,810.71
  5. Step 5: Solve for x
    x = 20,353,599,810.71/207,526.07
  6. Step 6: Final answer
    x = 98,077.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.