Home / 133,152.08-183,751.26-72,724.46

Finding the Fourth Proportional to 133,152.08, 183,751.26 and 72,724.46

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Solution

The fourth proportional to 133,152.08, 183,751.26 and 72,724.46 is: 100,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,152.08 : 183,751.26 = 72,724.46 : x
  2. Step 2: Convert to fraction form
    133,152.08/183,751.26 = 72,724.46/x
  3. Step 3: Cross multiply
    133,152.08x = 183,751.26 × 72,724.46
  4. Step 4: Simplify right side
    133,152.08x = 13,363,211,157.82
  5. Step 5: Solve for x
    x = 13,363,211,157.82/133,152.08
  6. Step 6: Final answer
    x = 100,360.51

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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.