Home / 135,613.71-203,155.74-64,435.05

Finding the Fourth Proportional to 135,613.71, 203,155.74 and 64,435.05

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Solution

The fourth proportional to 135,613.71, 203,155.74 and 64,435.05 is: 96,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,613.71 : 203,155.74 = 64,435.05 : x
  2. Step 2: Convert to fraction form
    135,613.71/203,155.74 = 64,435.05/x
  3. Step 3: Cross multiply
    135,613.71x = 203,155.74 × 64,435.05
  4. Step 4: Simplify right side
    135,613.71x = 13,090,350,264.69
  5. Step 5: Solve for x
    x = 13,090,350,264.69/135,613.71
  6. Step 6: Final answer
    x = 96,526.75

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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.