Home / 132,829.17-183,303.07-72,399.82

Finding the Fourth Proportional to 132,829.17, 183,303.07 and 72,399.82

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Solution

The fourth proportional to 132,829.17, 183,303.07 and 72,399.82 is: 99,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,829.17 : 183,303.07 = 72,399.82 : x
  2. Step 2: Convert to fraction form
    132,829.17/183,303.07 = 72,399.82/x
  3. Step 3: Cross multiply
    132,829.17x = 183,303.07 × 72,399.82
  4. Step 4: Simplify right side
    132,829.17x = 13,271,108,634.19
  5. Step 5: Solve for x
    x = 13,271,108,634.19/132,829.17
  6. Step 6: Final answer
    x = 99,911.10

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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.