Home / 190,911.90-286,659.45-146,588.70

Finding the Fourth Proportional to 190,911.90, 286,659.45 and 146,588.70

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Solution

The fourth proportional to 190,911.90, 286,659.45 and 146,588.70 is: 220,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,911.90 : 286,659.45 = 146,588.70 : x
  2. Step 2: Convert to fraction form
    190,911.90/286,659.45 = 146,588.70/x
  3. Step 3: Cross multiply
    190,911.90x = 286,659.45 × 146,588.70
  4. Step 4: Simplify right side
    190,911.90x = 42,021,036,118.22
  5. Step 5: Solve for x
    x = 42,021,036,118.22/190,911.90
  6. Step 6: Final answer
    x = 220,106.95

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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.