Home / 130,390.35-179,762.00-111,473.33

Finding the Fourth Proportional to 130,390.35, 179,762.00 and 111,473.33

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Solution

The fourth proportional to 130,390.35, 179,762.00 and 111,473.33 is: 153,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,390.35 : 179,762.00 = 111,473.33 : x
  2. Step 2: Convert to fraction form
    130,390.35/179,762.00 = 111,473.33/x
  3. Step 3: Cross multiply
    130,390.35x = 179,762.00 × 111,473.33
  4. Step 4: Simplify right side
    130,390.35x = 20,038,667,291.28
  5. Step 5: Solve for x
    x = 20,038,667,291.28/130,390.35
  6. Step 6: Final answer
    x = 153,682.13

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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.