Home / 210,304.07-290,211.42-114,811.55

Finding the Fourth Proportional to 210,304.07, 290,211.42 and 114,811.55

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Solution

The fourth proportional to 210,304.07, 290,211.42 and 114,811.55 is: 158,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,304.07 : 290,211.42 = 114,811.55 : x
  2. Step 2: Convert to fraction form
    210,304.07/290,211.42 = 114,811.55/x
  3. Step 3: Cross multiply
    210,304.07x = 290,211.42 × 114,811.55
  4. Step 4: Simplify right side
    210,304.07x = 33,319,622,957.90
  5. Step 5: Solve for x
    x = 33,319,622,957.90/210,304.07
  6. Step 6: Final answer
    x = 158,435.46

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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.