Home / 114,885.89-158,431.19-76,647.01

Finding the Fourth Proportional to 114,885.89, 158,431.19 and 76,647.01

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Solution

The fourth proportional to 114,885.89, 158,431.19 and 76,647.01 is: 105,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,885.89 : 158,431.19 = 76,647.01 : x
  2. Step 2: Convert to fraction form
    114,885.89/158,431.19 = 76,647.01/x
  3. Step 3: Cross multiply
    114,885.89x = 158,431.19 × 76,647.01
  4. Step 4: Simplify right side
    114,885.89x = 12,143,276,953.13
  5. Step 5: Solve for x
    x = 12,143,276,953.13/114,885.89
  6. Step 6: Final answer
    x = 105,698.59

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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.