Home / 190,201.98-285,196.28-130,298.12

Finding the Fourth Proportional to 190,201.98, 285,196.28 and 130,298.12

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Solution

The fourth proportional to 190,201.98, 285,196.28 and 130,298.12 is: 195,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,201.98 : 285,196.28 = 130,298.12 : x
  2. Step 2: Convert to fraction form
    190,201.98/285,196.28 = 130,298.12/x
  3. Step 3: Cross multiply
    190,201.98x = 285,196.28 × 130,298.12
  4. Step 4: Simplify right side
    190,201.98x = 37,160,537,037.52
  5. Step 5: Solve for x
    x = 37,160,537,037.52/190,201.98
  6. Step 6: Final answer
    x = 195,374.08

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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.