Home / 254,296.72-381,696.18-190,896.40

Finding the Fourth Proportional to 254,296.72, 381,696.18 and 190,896.40

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Solution

The fourth proportional to 254,296.72, 381,696.18 and 190,896.40 is: 286,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,296.72 : 381,696.18 = 190,896.40 : x
  2. Step 2: Convert to fraction form
    254,296.72/381,696.18 = 190,896.40/x
  3. Step 3: Cross multiply
    254,296.72x = 381,696.18 × 190,896.40
  4. Step 4: Simplify right side
    254,296.72x = 72,864,426,655.75
  5. Step 5: Solve for x
    x = 72,864,426,655.75/254,296.72
  6. Step 6: Final answer
    x = 286,533.10

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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.