Home / 190,859.70-286,289.55-148,869.30

Finding the Fourth Proportional to 190,859.70, 286,289.55 and 148,869.30

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Solution

The fourth proportional to 190,859.70, 286,289.55 and 148,869.30 is: 223,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,859.70 : 286,289.55 = 148,869.30 : x
  2. Step 2: Convert to fraction form
    190,859.70/286,289.55 = 148,869.30/x
  3. Step 3: Cross multiply
    190,859.70x = 286,289.55 × 148,869.30
  4. Step 4: Simplify right side
    190,859.70x = 42,619,724,905.82
  5. Step 5: Solve for x
    x = 42,619,724,905.82/190,859.70
  6. Step 6: Final answer
    x = 223,303.95

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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.