Home / 290,986.02-401,528.07-163,658.88

Finding the Fourth Proportional to 290,986.02, 401,528.07 and 163,658.88

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Solution

The fourth proportional to 290,986.02, 401,528.07 and 163,658.88 is: 225,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,986.02 : 401,528.07 = 163,658.88 : x
  2. Step 2: Convert to fraction form
    290,986.02/401,528.07 = 163,658.88/x
  3. Step 3: Cross multiply
    290,986.02x = 401,528.07 × 163,658.88
  4. Step 4: Simplify right side
    290,986.02x = 65,713,634,224.76
  5. Step 5: Solve for x
    x = 65,713,634,224.76/290,986.02
  6. Step 6: Final answer
    x = 225,830.90

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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.