Home / 127,914.80-191,927.40-68,681.24

Finding the Fourth Proportional to 127,914.80, 191,927.40 and 68,681.24

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Solution

The fourth proportional to 127,914.80, 191,927.40 and 68,681.24 is: 103,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,914.80 : 191,927.40 = 68,681.24 : x
  2. Step 2: Convert to fraction form
    127,914.80/191,927.40 = 68,681.24/x
  3. Step 3: Cross multiply
    127,914.80x = 191,927.40 × 68,681.24
  4. Step 4: Simplify right side
    127,914.80x = 13,181,811,821.98
  5. Step 5: Solve for x
    x = 13,181,811,821.98/127,914.80
  6. Step 6: Final answer
    x = 103,051.50

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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.