Home / 103,636.55-154,646.54-92,466.45

Finding the Fourth Proportional to 103,636.55, 154,646.54 and 92,466.45

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Solution

The fourth proportional to 103,636.55, 154,646.54 and 92,466.45 is: 137,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.55 : 154,646.54 = 92,466.45 : x
  2. Step 2: Convert to fraction form
    103,636.55/154,646.54 = 92,466.45/x
  3. Step 3: Cross multiply
    103,636.55x = 154,646.54 × 92,466.45
  4. Step 4: Simplify right side
    103,636.55x = 14,299,616,558.58
  5. Step 5: Solve for x
    x = 14,299,616,558.58/103,636.55
  6. Step 6: Final answer
    x = 137,978.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.