Home / 141,087.60-194,706.48-77,427.68

Finding the Fourth Proportional to 141,087.60, 194,706.48 and 77,427.68

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Solution

The fourth proportional to 141,087.60, 194,706.48 and 77,427.68 is: 106,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.60 : 194,706.48 = 77,427.68 : x
  2. Step 2: Convert to fraction form
    141,087.60/194,706.48 = 77,427.68/x
  3. Step 3: Cross multiply
    141,087.60x = 194,706.48 × 77,427.68
  4. Step 4: Simplify right side
    141,087.60x = 15,075,671,027.37
  5. Step 5: Solve for x
    x = 15,075,671,027.37/141,087.60
  6. Step 6: Final answer
    x = 106,853.27

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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.