Home / 152,790.15-210,847.14-84,803.16

Finding the Fourth Proportional to 152,790.15, 210,847.14 and 84,803.16

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Solution

The fourth proportional to 152,790.15, 210,847.14 and 84,803.16 is: 117,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,790.15 : 210,847.14 = 84,803.16 : x
  2. Step 2: Convert to fraction form
    152,790.15/210,847.14 = 84,803.16/x
  3. Step 3: Cross multiply
    152,790.15x = 210,847.14 × 84,803.16
  4. Step 4: Simplify right side
    152,790.15x = 17,880,503,748.96
  5. Step 5: Solve for x
    x = 17,880,503,748.96/152,790.15
  6. Step 6: Final answer
    x = 117,026.55

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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.