Home / 186,269.89-257,045.30-105,692.60

Finding the Fourth Proportional to 186,269.89, 257,045.30 and 105,692.60

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Solution

The fourth proportional to 186,269.89, 257,045.30 and 105,692.60 is: 145,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,269.89 : 257,045.30 = 105,692.60 : x
  2. Step 2: Convert to fraction form
    186,269.89/257,045.30 = 105,692.60/x
  3. Step 3: Cross multiply
    186,269.89x = 257,045.30 × 105,692.60
  4. Step 4: Simplify right side
    186,269.89x = 27,167,786,981.62
  5. Step 5: Solve for x
    x = 27,167,786,981.62/186,269.89
  6. Step 6: Final answer
    x = 145,851.74

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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.