Home / 152,316.72-210,056.60-104,485.68

Finding the Fourth Proportional to 152,316.72, 210,056.60 and 104,485.68

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Solution

The fourth proportional to 152,316.72, 210,056.60 and 104,485.68 is: 144,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,316.72 : 210,056.60 = 104,485.68 : x
  2. Step 2: Convert to fraction form
    152,316.72/210,056.60 = 104,485.68/x
  3. Step 3: Cross multiply
    152,316.72x = 210,056.60 × 104,485.68
  4. Step 4: Simplify right side
    152,316.72x = 21,947,906,689.49
  5. Step 5: Solve for x
    x = 21,947,906,689.49/152,316.72
  6. Step 6: Final answer
    x = 144,093.88

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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.