Home / 134,776.07-186,050.75-87,052.70

Finding the Fourth Proportional to 134,776.07, 186,050.75 and 87,052.70

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Solution

The fourth proportional to 134,776.07, 186,050.75 and 87,052.70 is: 120,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,776.07 : 186,050.75 = 87,052.70 : x
  2. Step 2: Convert to fraction form
    134,776.07/186,050.75 = 87,052.70/x
  3. Step 3: Cross multiply
    134,776.07x = 186,050.75 × 87,052.70
  4. Step 4: Simplify right side
    134,776.07x = 16,196,220,124.53
  5. Step 5: Solve for x
    x = 16,196,220,124.53/134,776.07
  6. Step 6: Final answer
    x = 120,171.33

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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.