Home / 160,409.56-221,420.46-92,453.68

Finding the Fourth Proportional to 160,409.56, 221,420.46 and 92,453.68

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Solution

The fourth proportional to 160,409.56, 221,420.46 and 92,453.68 is: 127,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,409.56 : 221,420.46 = 92,453.68 : x
  2. Step 2: Convert to fraction form
    160,409.56/221,420.46 = 92,453.68/x
  3. Step 3: Cross multiply
    160,409.56x = 221,420.46 × 92,453.68
  4. Step 4: Simplify right side
    160,409.56x = 20,471,136,354.29
  5. Step 5: Solve for x
    x = 20,471,136,354.29/160,409.56
  6. Step 6: Final answer
    x = 127,617.93

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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.