Home / 155,136.72-232,692.08-61,617.36

Finding the Fourth Proportional to 155,136.72, 232,692.08 and 61,617.36

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Solution

The fourth proportional to 155,136.72, 232,692.08 and 61,617.36 is: 92,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,136.72 : 232,692.08 = 61,617.36 : x
  2. Step 2: Convert to fraction form
    155,136.72/232,692.08 = 61,617.36/x
  3. Step 3: Cross multiply
    155,136.72x = 232,692.08 × 61,617.36
  4. Step 4: Simplify right side
    155,136.72x = 14,337,871,662.51
  5. Step 5: Solve for x
    x = 14,337,871,662.51/155,136.72
  6. Step 6: Final answer
    x = 92,420.88

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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.