Home / 141,246.36-194,920.56-77,585.40

Finding the Fourth Proportional to 141,246.36, 194,920.56 and 77,585.40

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Solution

The fourth proportional to 141,246.36, 194,920.56 and 77,585.40 is: 107,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246.36 : 194,920.56 = 77,585.40 : x
  2. Step 2: Convert to fraction form
    141,246.36/194,920.56 = 77,585.40/x
  3. Step 3: Cross multiply
    141,246.36x = 194,920.56 × 77,585.40
  4. Step 4: Simplify right side
    141,246.36x = 15,122,989,615.82
  5. Step 5: Solve for x
    x = 15,122,989,615.82/141,246.36
  6. Step 6: Final answer
    x = 107,068.17

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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.