Home / 141,694.08-195,536.36-78,030.52

Finding the Fourth Proportional to 141,694.08, 195,536.36 and 78,030.52

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Solution

The fourth proportional to 141,694.08, 195,536.36 and 78,030.52 is: 107,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,694.08 : 195,536.36 = 78,030.52 : x
  2. Step 2: Convert to fraction form
    141,694.08/195,536.36 = 78,030.52/x
  3. Step 3: Cross multiply
    141,694.08x = 195,536.36 × 78,030.52
  4. Step 4: Simplify right side
    141,694.08x = 15,257,803,849.71
  5. Step 5: Solve for x
    x = 15,257,803,849.71/141,694.08
  6. Step 6: Final answer
    x = 107,681.31

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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.