Home / 193,426.80-290,140.20-127,071.60

Finding the Fourth Proportional to 193,426.80, 290,140.20 and 127,071.60

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Solution

The fourth proportional to 193,426.80, 290,140.20 and 127,071.60 is: 190,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,426.80 : 290,140.20 = 127,071.60 : x
  2. Step 2: Convert to fraction form
    193,426.80/290,140.20 = 127,071.60/x
  3. Step 3: Cross multiply
    193,426.80x = 290,140.20 × 127,071.60
  4. Step 4: Simplify right side
    193,426.80x = 36,868,579,438.32
  5. Step 5: Solve for x
    x = 36,868,579,438.32/193,426.80
  6. Step 6: Final answer
    x = 190,607.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.