Home / 132,699.86-183,130.98-75,344.51

Finding the Fourth Proportional to 132,699.86, 183,130.98 and 75,344.51

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Solution

The fourth proportional to 132,699.86, 183,130.98 and 75,344.51 is: 103,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,699.86 : 183,130.98 = 75,344.51 : x
  2. Step 2: Convert to fraction form
    132,699.86/183,130.98 = 75,344.51/x
  3. Step 3: Cross multiply
    132,699.86x = 183,130.98 × 75,344.51
  4. Step 4: Simplify right side
    132,699.86x = 13,797,913,953.92
  5. Step 5: Solve for x
    x = 13,797,913,953.92/132,699.86
  6. Step 6: Final answer
    x = 103,978.36

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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.