Home / 152,621.04-210,625.32-88,955.04

Finding the Fourth Proportional to 152,621.04, 210,625.32 and 88,955.04

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Solution

The fourth proportional to 152,621.04, 210,625.32 and 88,955.04 is: 122,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621.04 : 210,625.32 = 88,955.04 : x
  2. Step 2: Convert to fraction form
    152,621.04/210,625.32 = 88,955.04/x
  3. Step 3: Cross multiply
    152,621.04x = 210,625.32 × 88,955.04
  4. Step 4: Simplify right side
    152,621.04x = 18,736,183,765.61
  5. Step 5: Solve for x
    x = 18,736,183,765.61/152,621.04
  6. Step 6: Final answer
    x = 122,762.78

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1.5x scale

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.