Home / 114,594.64-158,165.38-87,441.30

Finding the Fourth Proportional to 114,594.64, 158,165.38 and 87,441.30

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Solution

The fourth proportional to 114,594.64, 158,165.38 and 87,441.30 is: 120,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,594.64 : 158,165.38 = 87,441.30 : x
  2. Step 2: Convert to fraction form
    114,594.64/158,165.38 = 87,441.30/x
  3. Step 3: Cross multiply
    114,594.64x = 158,165.38 × 87,441.30
  4. Step 4: Simplify right side
    114,594.64x = 13,830,186,442.19
  5. Step 5: Solve for x
    x = 13,830,186,442.19/114,594.64
  6. Step 6: Final answer
    x = 120,687.90

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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.