Home / 148,534.08-204,976.96-81,466.08

Finding the Fourth Proportional to 148,534.08, 204,976.96 and 81,466.08

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Solution

The fourth proportional to 148,534.08, 204,976.96 and 81,466.08 is: 112,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,534.08 : 204,976.96 = 81,466.08 : x
  2. Step 2: Convert to fraction form
    148,534.08/204,976.96 = 81,466.08/x
  3. Step 3: Cross multiply
    148,534.08x = 204,976.96 × 81,466.08
  4. Step 4: Simplify right side
    148,534.08x = 16,698,669,421.52
  5. Step 5: Solve for x
    x = 16,698,669,421.52/148,534.08
  6. Step 6: Final answer
    x = 112,423.15

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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.