Home / 148,692.24-205,191.36-81,624.24

Finding the Fourth Proportional to 148,692.24, 205,191.36 and 81,624.24

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Solution

The fourth proportional to 148,692.24, 205,191.36 and 81,624.24 is: 112,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,692.24 : 205,191.36 = 81,624.24 : x
  2. Step 2: Convert to fraction form
    148,692.24/205,191.36 = 81,624.24/x
  3. Step 3: Cross multiply
    148,692.24x = 205,191.36 × 81,624.24
  4. Step 4: Simplify right side
    148,692.24x = 16,748,588,814.57
  5. Step 5: Solve for x
    x = 16,748,588,814.57/148,692.24
  6. Step 6: Final answer
    x = 112,639.29

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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.