Home / 131,040.93-180,390.21-96,985.24

Finding the Fourth Proportional to 131,040.93, 180,390.21 and 96,985.24

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Solution

The fourth proportional to 131,040.93, 180,390.21 and 96,985.24 is: 133,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040.93 : 180,390.21 = 96,985.24 : x
  2. Step 2: Convert to fraction form
    131,040.93/180,390.21 = 96,985.24/x
  3. Step 3: Cross multiply
    131,040.93x = 180,390.21 × 96,985.24
  4. Step 4: Simplify right side
    131,040.93x = 17,495,187,560.47
  5. Step 5: Solve for x
    x = 17,495,187,560.47/131,040.93
  6. Step 6: Final answer
    x = 133,509.34

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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.