Home / 133,055.18-183,611.55-79,312.52

Finding the Fourth Proportional to 133,055.18, 183,611.55 and 79,312.52

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Solution

The fourth proportional to 133,055.18, 183,611.55 and 79,312.52 is: 109,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.18 : 183,611.55 = 79,312.52 : x
  2. Step 2: Convert to fraction form
    133,055.18/183,611.55 = 79,312.52/x
  3. Step 3: Cross multiply
    133,055.18x = 183,611.55 × 79,312.52
  4. Step 4: Simplify right side
    133,055.18x = 14,562,694,731.61
  5. Step 5: Solve for x
    x = 14,562,694,731.61/133,055.18
  6. Step 6: Final answer
    x = 109,448.54

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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.