Home / 190,830.70-286,246.05-112,033.90

Finding the Fourth Proportional to 190,830.70, 286,246.05 and 112,033.90

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Solution

The fourth proportional to 190,830.70, 286,246.05 and 112,033.90 is: 168,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,830.70 : 286,246.05 = 112,033.90 : x
  2. Step 2: Convert to fraction form
    190,830.70/286,246.05 = 112,033.90/x
  3. Step 3: Cross multiply
    190,830.70x = 286,246.05 × 112,033.90
  4. Step 4: Simplify right side
    190,830.70x = 32,069,261,341.10
  5. Step 5: Solve for x
    x = 32,069,261,341.10/190,830.70
  6. Step 6: Final answer
    x = 168,050.85

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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.