Home / 132,631.52-183,030.98-72,201.94

Finding the Fourth Proportional to 132,631.52, 183,030.98 and 72,201.94

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Solution

The fourth proportional to 132,631.52, 183,030.98 and 72,201.94 is: 99,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,631.52 : 183,030.98 = 72,201.94 : x
  2. Step 2: Convert to fraction form
    132,631.52/183,030.98 = 72,201.94/x
  3. Step 3: Cross multiply
    132,631.52x = 183,030.98 × 72,201.94
  4. Step 4: Simplify right side
    132,631.52x = 13,215,191,017.51
  5. Step 5: Solve for x
    x = 13,215,191,017.51/132,631.52
  6. Step 6: Final answer
    x = 99,638.39

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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.