Home / 147,057.93-202,928.09-83,401.65

Finding the Fourth Proportional to 147,057.93, 202,928.09 and 83,401.65

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Solution

The fourth proportional to 147,057.93, 202,928.09 and 83,401.65 is: 115,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,057.93 : 202,928.09 = 83,401.65 : x
  2. Step 2: Convert to fraction form
    147,057.93/202,928.09 = 83,401.65/x
  3. Step 3: Cross multiply
    147,057.93x = 202,928.09 × 83,401.65
  4. Step 4: Simplify right side
    147,057.93x = 16,924,537,120.34
  5. Step 5: Solve for x
    x = 16,924,537,120.34/147,057.93
  6. Step 6: Final answer
    x = 115,087.55

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1.5x scale

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.