Home / 127,945.81-192,085.02-98,384.41

Finding the Fourth Proportional to 127,945.81, 192,085.02 and 98,384.41

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Solution

The fourth proportional to 127,945.81, 192,085.02 and 98,384.41 is: 147,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.81 : 192,085.02 = 98,384.41 : x
  2. Step 2: Convert to fraction form
    127,945.81/192,085.02 = 98,384.41/x
  3. Step 3: Cross multiply
    127,945.81x = 192,085.02 × 98,384.41
  4. Step 4: Simplify right side
    127,945.81x = 18,898,171,362.54
  5. Step 5: Solve for x
    x = 18,898,171,362.54/127,945.81
  6. Step 6: Final answer
    x = 147,704.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.