Home / 218,416.32-301,415.04-122,924.16

Finding the Fourth Proportional to 218,416.32, 301,415.04 and 122,924.16

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Solution

The fourth proportional to 218,416.32, 301,415.04 and 122,924.16 is: 169,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,416.32 : 301,415.04 = 122,924.16 : x
  2. Step 2: Convert to fraction form
    218,416.32/301,415.04 = 122,924.16/x
  3. Step 3: Cross multiply
    218,416.32x = 301,415.04 × 122,924.16
  4. Step 4: Simplify right side
    218,416.32x = 37,051,190,603.37
  5. Step 5: Solve for x
    x = 37,051,190,603.37/218,416.32
  6. Step 6: Final answer
    x = 169,635.63

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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.