Home / 340,899.40-470,444.43-187,943.18

Finding the Fourth Proportional to 340,899.40, 470,444.43 and 187,943.18

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Solution

The fourth proportional to 340,899.40, 470,444.43 and 187,943.18 is: 259,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,899.40 : 470,444.43 = 187,943.18 : x
  2. Step 2: Convert to fraction form
    340,899.40/470,444.43 = 187,943.18/x
  3. Step 3: Cross multiply
    340,899.40x = 470,444.43 × 187,943.18
  4. Step 4: Simplify right side
    340,899.40x = 88,416,822,187.49
  5. Step 5: Solve for x
    x = 88,416,822,187.49/340,899.40
  6. Step 6: Final answer
    x = 259,363.38

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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.