Home / 152,318.72-210,059.36-104,487.68

Finding the Fourth Proportional to 152,318.72, 210,059.36 and 104,487.68

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Solution

The fourth proportional to 152,318.72, 210,059.36 and 104,487.68 is: 144,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.72 : 210,059.36 = 104,487.68 : x
  2. Step 2: Convert to fraction form
    152,318.72/210,059.36 = 104,487.68/x
  3. Step 3: Cross multiply
    152,318.72x = 210,059.36 × 104,487.68
  4. Step 4: Simplify right side
    152,318.72x = 21,948,615,188.68
  5. Step 5: Solve for x
    x = 21,948,615,188.68/152,318.72
  6. Step 6: Final answer
    x = 144,096.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.