Home / 114,336.90-157,706.18-80,417.34

Finding the Fourth Proportional to 114,336.90, 157,706.18 and 80,417.34

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Solution

The fourth proportional to 114,336.90, 157,706.18 and 80,417.34 is: 110,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,336.90 : 157,706.18 = 80,417.34 : x
  2. Step 2: Convert to fraction form
    114,336.90/157,706.18 = 80,417.34/x
  3. Step 3: Cross multiply
    114,336.90x = 157,706.18 × 80,417.34
  4. Step 4: Simplify right side
    114,336.90x = 12,682,311,497.16
  5. Step 5: Solve for x
    x = 12,682,311,497.16/114,336.90
  6. Step 6: Final answer
    x = 110,920.55

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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.