Home / 114,990.85-158,683.48-64,680.13

Finding the Fourth Proportional to 114,990.85, 158,683.48 and 64,680.13

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Solution

The fourth proportional to 114,990.85, 158,683.48 and 64,680.13 is: 89,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.85 : 158,683.48 = 64,680.13 : x
  2. Step 2: Convert to fraction form
    114,990.85/158,683.48 = 64,680.13/x
  3. Step 3: Cross multiply
    114,990.85x = 158,683.48 × 64,680.13
  4. Step 4: Simplify right side
    114,990.85x = 10,263,668,115.25
  5. Step 5: Solve for x
    x = 10,263,668,115.25/114,990.85
  6. Step 6: Final answer
    x = 89,256.39

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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.