Home / 127,030.01-190,586.66-52,185.40

Finding the Fourth Proportional to 127,030.01, 190,586.66 and 52,185.40

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Solution

The fourth proportional to 127,030.01, 190,586.66 and 52,185.40 is: 78,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,030.01 : 190,586.66 = 52,185.40 : x
  2. Step 2: Convert to fraction form
    127,030.01/190,586.66 = 52,185.40/x
  3. Step 3: Cross multiply
    127,030.01x = 190,586.66 × 52,185.40
  4. Step 4: Simplify right side
    127,030.01x = 9,945,840,349.37
  5. Step 5: Solve for x
    x = 9,945,840,349.37/127,030.01
  6. Step 6: Final answer
    x = 78,295.21

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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.