Home / 148,803.36-223,015.22-69,743.40

Finding the Fourth Proportional to 148,803.36, 223,015.22 and 69,743.40

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Solution

The fourth proportional to 148,803.36, 223,015.22 and 69,743.40 is: 104,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,803.36 : 223,015.22 = 69,743.40 : x
  2. Step 2: Convert to fraction form
    148,803.36/223,015.22 = 69,743.40/x
  3. Step 3: Cross multiply
    148,803.36x = 223,015.22 × 69,743.40
  4. Step 4: Simplify right side
    148,803.36x = 15,553,838,579.47
  5. Step 5: Solve for x
    x = 15,553,838,579.47/148,803.36
  6. Step 6: Final answer
    x = 104,526.13

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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.