Home / 190,848.80-286,273.20-112,116.80

Finding the Fourth Proportional to 190,848.80, 286,273.20 and 112,116.80

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Solution

The fourth proportional to 190,848.80, 286,273.20 and 112,116.80 is: 168,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848.80 : 286,273.20 = 112,116.80 : x
  2. Step 2: Convert to fraction form
    190,848.80/286,273.20 = 112,116.80/x
  3. Step 3: Cross multiply
    190,848.80x = 286,273.20 × 112,116.80
  4. Step 4: Simplify right side
    190,848.80x = 32,096,035,109.76
  5. Step 5: Solve for x
    x = 32,096,035,109.76/190,848.80
  6. Step 6: Final answer
    x = 168,175.20

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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.