Home / 133,088.54-183,659.33-72,656.24

Finding the Fourth Proportional to 133,088.54, 183,659.33 and 72,656.24

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Solution

The fourth proportional to 133,088.54, 183,659.33 and 72,656.24 is: 100,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,088.54 : 183,659.33 = 72,656.24 : x
  2. Step 2: Convert to fraction form
    133,088.54/183,659.33 = 72,656.24/x
  3. Step 3: Cross multiply
    133,088.54x = 183,659.33 × 72,656.24
  4. Step 4: Simplify right side
    133,088.54x = 13,343,995,995.44
  5. Step 5: Solve for x
    x = 13,343,995,995.44/133,088.54
  6. Step 6: Final answer
    x = 100,264.05

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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.