Home / 122,973.40-184,460.10-91,869.40

Finding the Fourth Proportional to 122,973.40, 184,460.10 and 91,869.40

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Solution

The fourth proportional to 122,973.40, 184,460.10 and 91,869.40 is: 137,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,973.40 : 184,460.10 = 91,869.40 : x
  2. Step 2: Convert to fraction form
    122,973.40/184,460.10 = 91,869.40/x
  3. Step 3: Cross multiply
    122,973.40x = 184,460.10 × 91,869.40
  4. Step 4: Simplify right side
    122,973.40x = 16,946,238,710.94
  5. Step 5: Solve for x
    x = 16,946,238,710.94/122,973.40
  6. Step 6: Final answer
    x = 137,804.10

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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.