Home / 132,755.12-183,201.53-72,325.58

Finding the Fourth Proportional to 132,755.12, 183,201.53 and 72,325.58

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Solution

The fourth proportional to 132,755.12, 183,201.53 and 72,325.58 is: 99,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,755.12 : 183,201.53 = 72,325.58 : x
  2. Step 2: Convert to fraction form
    132,755.12/183,201.53 = 72,325.58/x
  3. Step 3: Cross multiply
    132,755.12x = 183,201.53 × 72,325.58
  4. Step 4: Simplify right side
    132,755.12x = 13,250,157,010.51
  5. Step 5: Solve for x
    x = 13,250,157,010.51/132,755.12
  6. Step 6: Final answer
    x = 99,809.01

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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.