Home / 190,904.20-286,356.30-160,030.60

Finding the Fourth Proportional to 190,904.20, 286,356.30 and 160,030.60

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Solution

The fourth proportional to 190,904.20, 286,356.30 and 160,030.60 is: 240,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.20 : 286,356.30 = 160,030.60 : x
  2. Step 2: Convert to fraction form
    190,904.20/286,356.30 = 160,030.60/x
  3. Step 3: Cross multiply
    190,904.20x = 286,356.30 × 160,030.60
  4. Step 4: Simplify right side
    190,904.20x = 45,825,770,502.78
  5. Step 5: Solve for x
    x = 45,825,770,502.78/190,904.20
  6. Step 6: Final answer
    x = 240,045.90

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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.