Home / 134,211.33-201,349.87-66,775.19

Finding the Fourth Proportional to 134,211.33, 201,349.87 and 66,775.19

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Solution

The fourth proportional to 134,211.33, 201,349.87 and 66,775.19 is: 100,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,211.33 : 201,349.87 = 66,775.19 : x
  2. Step 2: Convert to fraction form
    134,211.33/201,349.87 = 66,775.19/x
  3. Step 3: Cross multiply
    134,211.33x = 201,349.87 × 66,775.19
  4. Step 4: Simplify right side
    134,211.33x = 13,445,174,652.04
  5. Step 5: Solve for x
    x = 13,445,174,652.04/134,211.33
  6. Step 6: Final answer
    x = 100,179.13

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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.