Home / 132,622.63-183,021.56-72,195.01

Finding the Fourth Proportional to 132,622.63, 183,021.56 and 72,195.01

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Solution

The fourth proportional to 132,622.63, 183,021.56 and 72,195.01 is: 99,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,622.63 : 183,021.56 = 72,195.01 : x
  2. Step 2: Convert to fraction form
    132,622.63/183,021.56 = 72,195.01/x
  3. Step 3: Cross multiply
    132,622.63x = 183,021.56 × 72,195.01
  4. Step 4: Simplify right side
    132,622.63x = 13,213,242,806.62
  5. Step 5: Solve for x
    x = 13,213,242,806.62/132,622.63
  6. Step 6: Final answer
    x = 99,630.38

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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.