Home / 129,804.54-194,638.95-58,666.02

Finding the Fourth Proportional to 129,804.54, 194,638.95 and 58,666.02

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Solution

The fourth proportional to 129,804.54, 194,638.95 and 58,666.02 is: 87,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,804.54 : 194,638.95 = 58,666.02 : x
  2. Step 2: Convert to fraction form
    129,804.54/194,638.95 = 58,666.02/x
  3. Step 3: Cross multiply
    129,804.54x = 194,638.95 × 58,666.02
  4. Step 4: Simplify right side
    129,804.54x = 11,418,692,533.48
  5. Step 5: Solve for x
    x = 11,418,692,533.48/129,804.54
  6. Step 6: Final answer
    x = 87,968.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.