Home / 141,353.16-195,068.58-77,692.44

Finding the Fourth Proportional to 141,353.16, 195,068.58 and 77,692.44

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Solution

The fourth proportional to 141,353.16, 195,068.58 and 77,692.44 is: 107,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.16 : 195,068.58 = 77,692.44 : x
  2. Step 2: Convert to fraction form
    141,353.16/195,068.58 = 77,692.44/x
  3. Step 3: Cross multiply
    141,353.16x = 195,068.58 × 77,692.44
  4. Step 4: Simplify right side
    141,353.16x = 15,155,353,947.54
  5. Step 5: Solve for x
    x = 15,155,353,947.54/141,353.16
  6. Step 6: Final answer
    x = 107,216.24

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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.