Home / 152,875.37-210,969.48-89,200.86

Finding the Fourth Proportional to 152,875.37, 210,969.48 and 89,200.86

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Solution

The fourth proportional to 152,875.37, 210,969.48 and 89,200.86 is: 123,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,875.37 : 210,969.48 = 89,200.86 : x
  2. Step 2: Convert to fraction form
    152,875.37/210,969.48 = 89,200.86/x
  3. Step 3: Cross multiply
    152,875.37x = 210,969.48 × 89,200.86
  4. Step 4: Simplify right side
    152,875.37x = 18,818,659,049.75
  5. Step 5: Solve for x
    x = 18,818,659,049.75/152,875.37
  6. Step 6: Final answer
    x = 123,098.05

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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.