Home / 135,124.98-186,466.59-74,692.50

Finding the Fourth Proportional to 135,124.98, 186,466.59 and 74,692.50

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Solution

The fourth proportional to 135,124.98, 186,466.59 and 74,692.50 is: 103,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,124.98 : 186,466.59 = 74,692.50 : x
  2. Step 2: Convert to fraction form
    135,124.98/186,466.59 = 74,692.50/x
  3. Step 3: Cross multiply
    135,124.98x = 186,466.59 × 74,692.50
  4. Step 4: Simplify right side
    135,124.98x = 13,927,655,773.58
  5. Step 5: Solve for x
    x = 13,927,655,773.58/135,124.98
  6. Step 6: Final answer
    x = 103,072.40

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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.