Home / 152,763.96-210,767.02-89,056.66

Finding the Fourth Proportional to 152,763.96, 210,767.02 and 89,056.66

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Solution

The fourth proportional to 152,763.96, 210,767.02 and 89,056.66 is: 122,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,763.96 : 210,767.02 = 89,056.66 : x
  2. Step 2: Convert to fraction form
    152,763.96/210,767.02 = 89,056.66/x
  3. Step 3: Cross multiply
    152,763.96x = 210,767.02 × 89,056.66
  4. Step 4: Simplify right side
    152,763.96x = 18,770,206,839.35
  5. Step 5: Solve for x
    x = 18,770,206,839.35/152,763.96
  6. Step 6: Final answer
    x = 122,870.65

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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.