Home / 152,884.06-210,994.93-88,356.62

Finding the Fourth Proportional to 152,884.06, 210,994.93 and 88,356.62

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Solution

The fourth proportional to 152,884.06, 210,994.93 and 88,356.62 is: 121,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,884.06 : 210,994.93 = 88,356.62 : x
  2. Step 2: Convert to fraction form
    152,884.06/210,994.93 = 88,356.62/x
  3. Step 3: Cross multiply
    152,884.06x = 210,994.93 × 88,356.62
  4. Step 4: Simplify right side
    152,884.06x = 18,642,798,992.86
  5. Step 5: Solve for x
    x = 18,642,798,992.86/152,884.06
  6. Step 6: Final answer
    x = 121,940.77

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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.