Home / 133,386.84-184,071.26-72,957.32

Finding the Fourth Proportional to 133,386.84, 184,071.26 and 72,957.32

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Solution

The fourth proportional to 133,386.84, 184,071.26 and 72,957.32 is: 100,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,386.84 : 184,071.26 = 72,957.32 : x
  2. Step 2: Convert to fraction form
    133,386.84/184,071.26 = 72,957.32/x
  3. Step 3: Cross multiply
    133,386.84x = 184,071.26 × 72,957.32
  4. Step 4: Simplify right side
    133,386.84x = 13,429,345,818.62
  5. Step 5: Solve for x
    x = 13,429,345,818.62/133,386.84
  6. Step 6: Final answer
    x = 100,679.69

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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.