Home / 132,686.51-183,132.60-75,331.22

Finding the Fourth Proportional to 132,686.51, 183,132.60 and 75,331.22

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Solution

The fourth proportional to 132,686.51, 183,132.60 and 75,331.22 is: 103,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.51 : 183,132.60 = 75,331.22 : x
  2. Step 2: Convert to fraction form
    132,686.51/183,132.60 = 75,331.22/x
  3. Step 3: Cross multiply
    132,686.51x = 183,132.60 × 75,331.22
  4. Step 4: Simplify right side
    132,686.51x = 13,795,600,981.62
  5. Step 5: Solve for x
    x = 13,795,600,981.62/132,686.51
  6. Step 6: Final answer
    x = 103,971.39

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1.5x scale

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.