Home / 230,129.02-317,513.88-148,422.70

Finding the Fourth Proportional to 230,129.02, 317,513.88 and 148,422.70

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Solution

The fourth proportional to 230,129.02, 317,513.88 and 148,422.70 is: 204,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,129.02 : 317,513.88 = 148,422.70 : x
  2. Step 2: Convert to fraction form
    230,129.02/317,513.88 = 148,422.70/x
  3. Step 3: Cross multiply
    230,129.02x = 317,513.88 × 148,422.70
  4. Step 4: Simplify right side
    230,129.02x = 47,126,266,563.29
  5. Step 5: Solve for x
    x = 47,126,266,563.29/230,129.02
  6. Step 6: Final answer
    x = 204,781.94

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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.