Home / 170,240.49-255,554.51-86,095.67

Finding the Fourth Proportional to 170,240.49, 255,554.51 and 86,095.67

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Solution

The fourth proportional to 170,240.49, 255,554.51 and 86,095.67 is: 129,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,240.49 : 255,554.51 = 86,095.67 : x
  2. Step 2: Convert to fraction form
    170,240.49/255,554.51 = 86,095.67/x
  3. Step 3: Cross multiply
    170,240.49x = 255,554.51 × 86,095.67
  4. Step 4: Simplify right side
    170,240.49x = 22,002,135,051.72
  5. Step 5: Solve for x
    x = 22,002,135,051.72/170,240.49
  6. Step 6: Final answer
    x = 129,241.49

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1.5x scale

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.