Home / 190,671.21-285,999.31-57,547.84

Finding the Fourth Proportional to 190,671.21, 285,999.31 and 57,547.84

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Solution

The fourth proportional to 190,671.21, 285,999.31 and 57,547.84 is: 86,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,671.21 : 285,999.31 = 57,547.84 : x
  2. Step 2: Convert to fraction form
    190,671.21/285,999.31 = 57,547.84/x
  3. Step 3: Cross multiply
    190,671.21x = 285,999.31 × 57,547.84
  4. Step 4: Simplify right side
    190,671.21x = 16,458,642,531.99
  5. Step 5: Solve for x
    x = 16,458,642,531.99/190,671.21
  6. Step 6: Final answer
    x = 86,319.49

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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.