Home / 141,087.09-194,705.81-77,427.17

Finding the Fourth Proportional to 141,087.09, 194,705.81 and 77,427.17

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Solution

The fourth proportional to 141,087.09, 194,705.81 and 77,427.17 is: 106,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.09 : 194,705.81 = 77,427.17 : x
  2. Step 2: Convert to fraction form
    141,087.09/194,705.81 = 77,427.17/x
  3. Step 3: Cross multiply
    141,087.09x = 194,705.81 × 77,427.17
  4. Step 4: Simplify right side
    141,087.09x = 15,075,518,490.19
  5. Step 5: Solve for x
    x = 15,075,518,490.19/141,087.09
  6. Step 6: Final answer
    x = 106,852.57

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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.