Home / 114,891.40-158,631.78-83,204.20

Finding the Fourth Proportional to 114,891.40, 158,631.78 and 83,204.20

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Solution

The fourth proportional to 114,891.40, 158,631.78 and 83,204.20 is: 114,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,891.40 : 158,631.78 = 83,204.20 : x
  2. Step 2: Convert to fraction form
    114,891.40/158,631.78 = 83,204.20/x
  3. Step 3: Cross multiply
    114,891.40x = 158,631.78 × 83,204.20
  4. Step 4: Simplify right side
    114,891.40x = 13,198,830,349.48
  5. Step 5: Solve for x
    x = 13,198,830,349.48/114,891.40
  6. Step 6: Final answer
    x = 114,880.93

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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.