Home / 136,271.60-188,052.93-75,842.25

Finding the Fourth Proportional to 136,271.60, 188,052.93 and 75,842.25

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Solution

The fourth proportional to 136,271.60, 188,052.93 and 75,842.25 is: 104,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,271.60 : 188,052.93 = 75,842.25 : x
  2. Step 2: Convert to fraction form
    136,271.60/188,052.93 = 75,842.25/x
  3. Step 3: Cross multiply
    136,271.60x = 188,052.93 × 75,842.25
  4. Step 4: Simplify right side
    136,271.60x = 14,262,357,330.29
  5. Step 5: Solve for x
    x = 14,262,357,330.29/136,271.60
  6. Step 6: Final answer
    x = 104,661.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.