Home / 152,740.95-229,037.37-89,581.60

Finding the Fourth Proportional to 152,740.95, 229,037.37 and 89,581.60

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Solution

The fourth proportional to 152,740.95, 229,037.37 and 89,581.60 is: 134,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,740.95 : 229,037.37 = 89,581.60 : x
  2. Step 2: Convert to fraction form
    152,740.95/229,037.37 = 89,581.60/x
  3. Step 3: Cross multiply
    152,740.95x = 229,037.37 × 89,581.60
  4. Step 4: Simplify right side
    152,740.95x = 20,517,534,064.39
  5. Step 5: Solve for x
    x = 20,517,534,064.39/152,740.95
  6. Step 6: Final answer
    x = 134,328.97

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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.