Home / 148,946.40-223,349.40-54,109.70

Finding the Fourth Proportional to 148,946.40, 223,349.40 and 54,109.70

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Solution

The fourth proportional to 148,946.40, 223,349.40 and 54,109.70 is: 81,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,946.40 : 223,349.40 = 54,109.70 : x
  2. Step 2: Convert to fraction form
    148,946.40/223,349.40 = 54,109.70/x
  3. Step 3: Cross multiply
    148,946.40x = 223,349.40 × 54,109.70
  4. Step 4: Simplify right side
    148,946.40x = 12,085,369,029.18
  5. Step 5: Solve for x
    x = 12,085,369,029.18/148,946.40
  6. Step 6: Final answer
    x = 81,139.05

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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.