Home / 141,219.60-212,598.78-121,935.12

Finding the Fourth Proportional to 141,219.60, 212,598.78 and 121,935.12

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Solution

The fourth proportional to 141,219.60, 212,598.78 and 121,935.12 is: 183,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,219.60 : 212,598.78 = 121,935.12 : x
  2. Step 2: Convert to fraction form
    141,219.60/212,598.78 = 121,935.12/x
  3. Step 3: Cross multiply
    141,219.60x = 212,598.78 × 121,935.12
  4. Step 4: Simplify right side
    141,219.60x = 25,923,257,751.15
  5. Step 5: Solve for x
    x = 25,923,257,751.15/141,219.60
  6. Step 6: Final answer
    x = 183,567.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.