Home / 190,424.76-262,667.40-122,530.32

Finding the Fourth Proportional to 190,424.76, 262,667.40 and 122,530.32

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Solution

The fourth proportional to 190,424.76, 262,667.40 and 122,530.32 is: 169,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,424.76 : 262,667.40 = 122,530.32 : x
  2. Step 2: Convert to fraction form
    190,424.76/262,667.40 = 122,530.32/x
  3. Step 3: Cross multiply
    190,424.76x = 262,667.40 × 122,530.32
  4. Step 4: Simplify right side
    190,424.76x = 32,184,720,575.57
  5. Step 5: Solve for x
    x = 32,184,720,575.57/190,424.76
  6. Step 6: Final answer
    x = 169,015.42

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1.5x scale

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.