Home / 302,511.60-453,767.40-190,537.20

Finding the Fourth Proportional to 302,511.60, 453,767.40 and 190,537.20

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Solution

The fourth proportional to 302,511.60, 453,767.40 and 190,537.20 is: 285,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,511.60 : 453,767.40 = 190,537.20 : x
  2. Step 2: Convert to fraction form
    302,511.60/453,767.40 = 190,537.20/x
  3. Step 3: Cross multiply
    302,511.60x = 453,767.40 × 190,537.20
  4. Step 4: Simplify right side
    302,511.60x = 86,459,569,847.28
  5. Step 5: Solve for x
    x = 86,459,569,847.28/302,511.60
  6. Step 6: Final answer
    x = 285,805.80

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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.