Home / 190,868.40-286,594.20-146,545.20

Finding the Fourth Proportional to 190,868.40, 286,594.20 and 146,545.20

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Solution

The fourth proportional to 190,868.40, 286,594.20 and 146,545.20 is: 220,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,868.40 : 286,594.20 = 146,545.20 : x
  2. Step 2: Convert to fraction form
    190,868.40/286,594.20 = 146,545.20/x
  3. Step 3: Cross multiply
    190,868.40x = 286,594.20 × 146,545.20
  4. Step 4: Simplify right side
    190,868.40x = 41,999,004,357.84
  5. Step 5: Solve for x
    x = 41,999,004,357.84/190,868.40
  6. Step 6: Final answer
    x = 220,041.69

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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.