Home / 114,801.17-158,427.51-63,120.45

Finding the Fourth Proportional to 114,801.17, 158,427.51 and 63,120.45

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Solution

The fourth proportional to 114,801.17, 158,427.51 and 63,120.45 is: 87,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,801.17 : 158,427.51 = 63,120.45 : x
  2. Step 2: Convert to fraction form
    114,801.17/158,427.51 = 63,120.45/x
  3. Step 3: Cross multiply
    114,801.17x = 158,427.51 × 63,120.45
  4. Step 4: Simplify right side
    114,801.17x = 10,000,015,723.58
  5. Step 5: Solve for x
    x = 10,000,015,723.58/114,801.17
  6. Step 6: Final answer
    x = 87,107.26

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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.