Home / 155,688.96-233,534.72-66,936.32

Finding the Fourth Proportional to 155,688.96, 233,534.72 and 66,936.32

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Solution

The fourth proportional to 155,688.96, 233,534.72 and 66,936.32 is: 100,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,688.96 : 233,534.72 = 66,936.32 : x
  2. Step 2: Convert to fraction form
    155,688.96/233,534.72 = 66,936.32/x
  3. Step 3: Cross multiply
    155,688.96x = 233,534.72 × 66,936.32
  4. Step 4: Simplify right side
    155,688.96x = 15,631,954,749.03
  5. Step 5: Solve for x
    x = 15,631,954,749.03/155,688.96
  6. Step 6: Final answer
    x = 100,405.03

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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.