Home / 203,296.03-280,554.67-112,643.52

Finding the Fourth Proportional to 203,296.03, 280,554.67 and 112,643.52

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Solution

The fourth proportional to 203,296.03, 280,554.67 and 112,643.52 is: 155,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,296.03 : 280,554.67 = 112,643.52 : x
  2. Step 2: Convert to fraction form
    203,296.03/280,554.67 = 112,643.52/x
  3. Step 3: Cross multiply
    203,296.03x = 280,554.67 × 112,643.52
  4. Step 4: Simplify right side
    203,296.03x = 31,602,665,581.24
  5. Step 5: Solve for x
    x = 31,602,665,581.24/203,296.03
  6. Step 6: Final answer
    x = 155,451.46

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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.