Home / 158,725.19-238,165.64-74,492.20

Finding the Fourth Proportional to 158,725.19, 238,165.64 and 74,492.20

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Solution

The fourth proportional to 158,725.19, 238,165.64 and 74,492.20 is: 111,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,725.19 : 238,165.64 = 74,492.20 : x
  2. Step 2: Convert to fraction form
    158,725.19/238,165.64 = 74,492.20/x
  3. Step 3: Cross multiply
    158,725.19x = 238,165.64 × 74,492.20
  4. Step 4: Simplify right side
    158,725.19x = 17,741,482,692.60
  5. Step 5: Solve for x
    x = 17,741,482,692.60/158,725.19
  6. Step 6: Final answer
    x = 111,774.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.