Home / 191,353.20-287,029.80-58,221.60

Finding the Fourth Proportional to 191,353.20, 287,029.80 and 58,221.60

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Solution

The fourth proportional to 191,353.20, 287,029.80 and 58,221.60 is: 87,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,353.20 : 287,029.80 = 58,221.60 : x
  2. Step 2: Convert to fraction form
    191,353.20/287,029.80 = 58,221.60/x
  3. Step 3: Cross multiply
    191,353.20x = 287,029.80 × 58,221.60
  4. Step 4: Simplify right side
    191,353.20x = 16,711,334,203.68
  5. Step 5: Solve for x
    x = 16,711,334,203.68/191,353.20
  6. Step 6: Final answer
    x = 87,332.40

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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.