Home / 197,683.65-272,803.86-107,040.69

Finding the Fourth Proportional to 197,683.65, 272,803.86 and 107,040.69

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Solution

The fourth proportional to 197,683.65, 272,803.86 and 107,040.69 is: 147,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,683.65 : 272,803.86 = 107,040.69 : x
  2. Step 2: Convert to fraction form
    197,683.65/272,803.86 = 107,040.69/x
  3. Step 3: Cross multiply
    197,683.65x = 272,803.86 × 107,040.69
  4. Step 4: Simplify right side
    197,683.65x = 29,201,113,409.06
  5. Step 5: Solve for x
    x = 29,201,113,409.06/197,683.65
  6. Step 6: Final answer
    x = 147,716.38

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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.