Home / 190,331.42-262,538.52-122,436.89

Finding the Fourth Proportional to 190,331.42, 262,538.52 and 122,436.89

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Solution

The fourth proportional to 190,331.42, 262,538.52 and 122,436.89 is: 168,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,331.42 : 262,538.52 = 122,436.89 : x
  2. Step 2: Convert to fraction form
    190,331.42/262,538.52 = 122,436.89/x
  3. Step 3: Cross multiply
    190,331.42x = 262,538.52 × 122,436.89
  4. Step 4: Simplify right side
    190,331.42x = 32,144,399,894.00
  5. Step 5: Solve for x
    x = 32,144,399,894.00/190,331.42
  6. Step 6: Final answer
    x = 168,886.46

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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.