Home / 129,710.84-193,973.34-94,291.16

Finding the Fourth Proportional to 129,710.84, 193,973.34 and 94,291.16

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Solution

The fourth proportional to 129,710.84, 193,973.34 and 94,291.16 is: 141,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,710.84 : 193,973.34 = 94,291.16 : x
  2. Step 2: Convert to fraction form
    129,710.84/193,973.34 = 94,291.16/x
  3. Step 3: Cross multiply
    129,710.84x = 193,973.34 × 94,291.16
  4. Step 4: Simplify right side
    129,710.84x = 18,289,971,237.67
  5. Step 5: Solve for x
    x = 18,289,971,237.67/129,710.84
  6. Step 6: Final answer
    x = 141,005.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.