Home / 163,895.62-245,939.02-69,119.96

Finding the Fourth Proportional to 163,895.62, 245,939.02 and 69,119.96

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Solution

The fourth proportional to 163,895.62, 245,939.02 and 69,119.96 is: 103,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,895.62 : 245,939.02 = 69,119.96 : x
  2. Step 2: Convert to fraction form
    163,895.62/245,939.02 = 69,119.96/x
  3. Step 3: Cross multiply
    163,895.62x = 245,939.02 × 69,119.96
  4. Step 4: Simplify right side
    163,895.62x = 16,999,295,224.84
  5. Step 5: Solve for x
    x = 16,999,295,224.84/163,895.62
  6. Step 6: Final answer
    x = 103,720.25

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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.