Home / 134,515.48-185,586.93-86,800.54

Finding the Fourth Proportional to 134,515.48, 185,586.93 and 86,800.54

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Solution

The fourth proportional to 134,515.48, 185,586.93 and 86,800.54 is: 119,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,515.48 : 185,586.93 = 86,800.54 : x
  2. Step 2: Convert to fraction form
    134,515.48/185,586.93 = 86,800.54/x
  3. Step 3: Cross multiply
    134,515.48x = 185,586.93 × 86,800.54
  4. Step 4: Simplify right side
    134,515.48x = 16,109,045,740.94
  5. Step 5: Solve for x
    x = 16,109,045,740.94/134,515.48
  6. Step 6: Final answer
    x = 119,756.07

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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.