Home / 147,057.42-202,975.29-83,432.46

Finding the Fourth Proportional to 147,057.42, 202,975.29 and 83,432.46

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Solution

The fourth proportional to 147,057.42, 202,975.29 and 83,432.46 is: 115,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,057.42 : 202,975.29 = 83,432.46 : x
  2. Step 2: Convert to fraction form
    147,057.42/202,975.29 = 83,432.46/x
  3. Step 3: Cross multiply
    147,057.42x = 202,975.29 × 83,432.46
  4. Step 4: Simplify right side
    147,057.42x = 16,934,727,763.91
  5. Step 5: Solve for x
    x = 16,934,727,763.91/147,057.42
  6. Step 6: Final answer
    x = 115,157.25

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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.