Home / 127,775.04-191,796.48-61,271.52

Finding the Fourth Proportional to 127,775.04, 191,796.48 and 61,271.52

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Solution

The fourth proportional to 127,775.04, 191,796.48 and 61,271.52 is: 91,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,775.04 : 191,796.48 = 61,271.52 : x
  2. Step 2: Convert to fraction form
    127,775.04/191,796.48 = 61,271.52/x
  3. Step 3: Cross multiply
    127,775.04x = 191,796.48 × 61,271.52
  4. Step 4: Simplify right side
    127,775.04x = 11,751,661,860.25
  5. Step 5: Solve for x
    x = 11,751,661,860.25/127,775.04
  6. Step 6: Final answer
    x = 91,971.50

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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.