Home / 130,072.41-194,904.50-77,453.19

Finding the Fourth Proportional to 130,072.41, 194,904.50 and 77,453.19

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Solution

The fourth proportional to 130,072.41, 194,904.50 and 77,453.19 is: 116,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,072.41 : 194,904.50 = 77,453.19 : x
  2. Step 2: Convert to fraction form
    130,072.41/194,904.50 = 77,453.19/x
  3. Step 3: Cross multiply
    130,072.41x = 194,904.50 × 77,453.19
  4. Step 4: Simplify right side
    130,072.41x = 15,095,974,883.09
  5. Step 5: Solve for x
    x = 15,095,974,883.09/130,072.41
  6. Step 6: Final answer
    x = 116,058.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.