Home / 141,075.56-194,684.16-77,417.36

Finding the Fourth Proportional to 141,075.56, 194,684.16 and 77,417.36

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Solution

The fourth proportional to 141,075.56, 194,684.16 and 77,417.36 is: 106,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,075.56 : 194,684.16 = 77,417.36 : x
  2. Step 2: Convert to fraction form
    141,075.56/194,684.16 = 77,417.36/x
  3. Step 3: Cross multiply
    141,075.56x = 194,684.16 × 77,417.36
  4. Step 4: Simplify right side
    141,075.56x = 15,071,933,701.02
  5. Step 5: Solve for x
    x = 15,071,933,701.02/141,075.56
  6. Step 6: Final answer
    x = 106,835.89

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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.