Home / 141,692.36-212,501.63-66,792.62

Finding the Fourth Proportional to 141,692.36, 212,501.63 and 66,792.62

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Solution

The fourth proportional to 141,692.36, 212,501.63 and 66,792.62 is: 100,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,692.36 : 212,501.63 = 66,792.62 : x
  2. Step 2: Convert to fraction form
    141,692.36/212,501.63 = 66,792.62/x
  3. Step 3: Cross multiply
    141,692.36x = 212,501.63 × 66,792.62
  4. Step 4: Simplify right side
    141,692.36x = 14,193,539,225.50
  5. Step 5: Solve for x
    x = 14,193,539,225.50/141,692.36
  6. Step 6: Final answer
    x = 100,171.52

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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.