Home / 127,799.84-191,699.99-127,615.36

Finding the Fourth Proportional to 127,799.84, 191,699.99 and 127,615.36

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Solution

The fourth proportional to 127,799.84, 191,699.99 and 127,615.36 is: 191,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,799.84 : 191,699.99 = 127,615.36 : x
  2. Step 2: Convert to fraction form
    127,799.84/191,699.99 = 127,615.36/x
  3. Step 3: Cross multiply
    127,799.84x = 191,699.99 × 127,615.36
  4. Step 4: Simplify right side
    127,799.84x = 24,463,863,235.85
  5. Step 5: Solve for x
    x = 24,463,863,235.85/127,799.84
  6. Step 6: Final answer
    x = 191,423.27

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1.5x scale

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.