Home / 191,826.40-287,739.60-152,168.80

Finding the Fourth Proportional to 191,826.40, 287,739.60 and 152,168.80

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Solution

The fourth proportional to 191,826.40, 287,739.60 and 152,168.80 is: 228,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,826.40 : 287,739.60 = 152,168.80 : x
  2. Step 2: Convert to fraction form
    191,826.40/287,739.60 = 152,168.80/x
  3. Step 3: Cross multiply
    191,826.40x = 287,739.60 × 152,168.80
  4. Step 4: Simplify right side
    191,826.40x = 43,784,989,644.48
  5. Step 5: Solve for x
    x = 43,784,989,644.48/191,826.40
  6. Step 6: Final answer
    x = 228,253.20

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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.