Home / 133,265.08-183,913.86-76,675.24

Finding the Fourth Proportional to 133,265.08, 183,913.86 and 76,675.24

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Solution

The fourth proportional to 133,265.08, 183,913.86 and 76,675.24 is: 105,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.08 : 183,913.86 = 76,675.24 : x
  2. Step 2: Convert to fraction form
    133,265.08/183,913.86 = 76,675.24/x
  3. Step 3: Cross multiply
    133,265.08x = 183,913.86 × 76,675.24
  4. Step 4: Simplify right side
    133,265.08x = 14,101,639,354.83
  5. Step 5: Solve for x
    x = 14,101,639,354.83/133,265.08
  6. Step 6: Final answer
    x = 105,816.46

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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.