Home / 74,141.28-111,322.89-64,176.93

Finding the Fourth Proportional to 74,141.28, 111,322.89 and 64,176.93

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Solution

The fourth proportional to 74,141.28, 111,322.89 and 64,176.93 is: 96,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.28 : 111,322.89 = 64,176.93 : x
  2. Step 2: Convert to fraction form
    74,141.28/111,322.89 = 64,176.93/x
  3. Step 3: Cross multiply
    74,141.28x = 111,322.89 × 64,176.93
  4. Step 4: Simplify right side
    74,141.28x = 7,144,361,318.93
  5. Step 5: Solve for x
    x = 7,144,361,318.93/74,141.28
  6. Step 6: Final answer
    x = 96,361.45

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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.