Home / 191,840.40-287,760.60-152,182.80

Finding the Fourth Proportional to 191,840.40, 287,760.60 and 152,182.80

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Solution

The fourth proportional to 191,840.40, 287,760.60 and 152,182.80 is: 228,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,840.40 : 287,760.60 = 152,182.80 : x
  2. Step 2: Convert to fraction form
    191,840.40/287,760.60 = 152,182.80/x
  3. Step 3: Cross multiply
    191,840.40x = 287,760.60 × 152,182.80
  4. Step 4: Simplify right side
    191,840.40x = 43,792,213,837.68
  5. Step 5: Solve for x
    x = 43,792,213,837.68/191,840.40
  6. Step 6: Final answer
    x = 228,274.20

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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.