Home / 148,848.56-223,681.44-78,777.44

Finding the Fourth Proportional to 148,848.56, 223,681.44 and 78,777.44

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Solution

The fourth proportional to 148,848.56, 223,681.44 and 78,777.44 is: 118,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.56 : 223,681.44 = 78,777.44 : x
  2. Step 2: Convert to fraction form
    148,848.56/223,681.44 = 78,777.44/x
  3. Step 3: Cross multiply
    148,848.56x = 223,681.44 × 78,777.44
  4. Step 4: Simplify right side
    148,848.56x = 17,621,051,218.71
  5. Step 5: Solve for x
    x = 17,621,051,218.71/148,848.56
  6. Step 6: Final answer
    x = 118,382.41

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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.