Home / 297,807.12-411,069.60-190,665.72

Finding the Fourth Proportional to 297,807.12, 411,069.60 and 190,665.72

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Solution

The fourth proportional to 297,807.12, 411,069.60 and 190,665.72 is: 263,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,807.12 : 411,069.60 = 190,665.72 : x
  2. Step 2: Convert to fraction form
    297,807.12/411,069.60 = 190,665.72/x
  3. Step 3: Cross multiply
    297,807.12x = 411,069.60 × 190,665.72
  4. Step 4: Simplify right side
    297,807.12x = 78,376,881,254.11
  5. Step 5: Solve for x
    x = 78,376,881,254.11/297,807.12
  6. Step 6: Final answer
    x = 263,180.01

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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.