Home / 113,641.81-170,274.24-69,133.93

Finding the Fourth Proportional to 113,641.81, 170,274.24 and 69,133.93

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Solution

The fourth proportional to 113,641.81, 170,274.24 and 69,133.93 is: 103,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,641.81 : 170,274.24 = 69,133.93 : x
  2. Step 2: Convert to fraction form
    113,641.81/170,274.24 = 69,133.93/x
  3. Step 3: Cross multiply
    113,641.81x = 170,274.24 × 69,133.93
  4. Step 4: Simplify right side
    113,641.81x = 11,771,727,388.96
  5. Step 5: Solve for x
    x = 11,771,727,388.96/113,641.81
  6. Step 6: Final answer
    x = 103,586.24

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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.