Home / 136,291.20-204,436.80-114,518.40

Finding the Fourth Proportional to 136,291.20, 204,436.80 and 114,518.40

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Solution

The fourth proportional to 136,291.20, 204,436.80 and 114,518.40 is: 171,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,291.20 : 204,436.80 = 114,518.40 : x
  2. Step 2: Convert to fraction form
    136,291.20/204,436.80 = 114,518.40/x
  3. Step 3: Cross multiply
    136,291.20x = 204,436.80 × 114,518.40
  4. Step 4: Simplify right side
    136,291.20x = 23,411,775,237.12
  5. Step 5: Solve for x
    x = 23,411,775,237.12/136,291.20
  6. Step 6: Final answer
    x = 171,777.60

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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.