Home / 141,370.08-195,090.88-77,706.52

Finding the Fourth Proportional to 141,370.08, 195,090.88 and 77,706.52

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Solution

The fourth proportional to 141,370.08, 195,090.88 and 77,706.52 is: 107,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,370.08 : 195,090.88 = 77,706.52 : x
  2. Step 2: Convert to fraction form
    141,370.08/195,090.88 = 77,706.52/x
  3. Step 3: Cross multiply
    141,370.08x = 195,090.88 × 77,706.52
  4. Step 4: Simplify right side
    141,370.08x = 15,159,833,368.54
  5. Step 5: Solve for x
    x = 15,159,833,368.54/141,370.08
  6. Step 6: Final answer
    x = 107,235.09

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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.