Home / 109,692.40-164,538.60-101,052.40

Finding the Fourth Proportional to 109,692.40, 164,538.60 and 101,052.40

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Solution

The fourth proportional to 109,692.40, 164,538.60 and 101,052.40 is: 151,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,692.40 : 164,538.60 = 101,052.40 : x
  2. Step 2: Convert to fraction form
    109,692.40/164,538.60 = 101,052.40/x
  3. Step 3: Cross multiply
    109,692.40x = 164,538.60 × 101,052.40
  4. Step 4: Simplify right side
    109,692.40x = 16,627,020,422.64
  5. Step 5: Solve for x
    x = 16,627,020,422.64/109,692.40
  6. Step 6: Final answer
    x = 151,578.60

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1.5x scale

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.