Home / 152,738.88-210,762.72-84,753.60

Finding the Fourth Proportional to 152,738.88, 210,762.72 and 84,753.60

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Solution

The fourth proportional to 152,738.88, 210,762.72 and 84,753.60 is: 116,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,738.88 : 210,762.72 = 84,753.60 : x
  2. Step 2: Convert to fraction form
    152,738.88/210,762.72 = 84,753.60/x
  3. Step 3: Cross multiply
    152,738.88x = 210,762.72 × 84,753.60
  4. Step 4: Simplify right side
    152,738.88x = 17,862,899,265.79
  5. Step 5: Solve for x
    x = 17,862,899,265.79/152,738.88
  6. Step 6: Final answer
    x = 116,950.57

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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.