Home / 190,856.80-286,285.20-146,706.40

Finding the Fourth Proportional to 190,856.80, 286,285.20 and 146,706.40

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Solution

The fourth proportional to 190,856.80, 286,285.20 and 146,706.40 is: 220,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,856.80 : 286,285.20 = 146,706.40 : x
  2. Step 2: Convert to fraction form
    190,856.80/286,285.20 = 146,706.40/x
  3. Step 3: Cross multiply
    190,856.80x = 286,285.20 × 146,706.40
  4. Step 4: Simplify right side
    190,856.80x = 41,999,871,065.28
  5. Step 5: Solve for x
    x = 41,999,871,065.28/190,856.80
  6. Step 6: Final answer
    x = 220,059.60

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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.