Home / 210,102.15-289,943.07-114,610.86

Finding the Fourth Proportional to 210,102.15, 289,943.07 and 114,610.86

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Solution

The fourth proportional to 210,102.15, 289,943.07 and 114,610.86 is: 158,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,102.15 : 289,943.07 = 114,610.86 : x
  2. Step 2: Convert to fraction form
    210,102.15/289,943.07 = 114,610.86/x
  3. Step 3: Cross multiply
    210,102.15x = 289,943.07 × 114,610.86
  4. Step 4: Simplify right side
    210,102.15x = 33,230,624,603.74
  5. Step 5: Solve for x
    x = 33,230,624,603.74/210,102.15
  6. Step 6: Final answer
    x = 158,164.13

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1.5x scale

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.