Home / 161,664.45-223,097-93,720.81

Finding the Fourth Proportional to 161,664.45, 223,097 and 93,720.81

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Solution

The fourth proportional to 161,664.45, 223,097 and 93,720.81 is: 129,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,664.45 : 223,097 = 93,720.81 : x
  2. Step 2: Convert to fraction form
    161,664.45/223,097 = 93,720.81/x
  3. Step 3: Cross multiply
    161,664.45x = 223,097 × 93,720.81
  4. Step 4: Simplify right side
    161,664.45x = 20,908,831,548.57
  5. Step 5: Solve for x
    x = 20,908,831,548.57/161,664.45
  6. Step 6: Final answer
    x = 129,334.75

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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.