Home / 156,943.20-216,582.48-92,415.24

Finding the Fourth Proportional to 156,943.20, 216,582.48 and 92,415.24

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Solution

The fourth proportional to 156,943.20, 216,582.48 and 92,415.24 is: 127,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.20 : 216,582.48 = 92,415.24 : x
  2. Step 2: Convert to fraction form
    156,943.20/216,582.48 = 92,415.24/x
  3. Step 3: Cross multiply
    156,943.20x = 216,582.48 × 92,415.24
  4. Step 4: Simplify right side
    156,943.20x = 20,015,521,869.00
  5. Step 5: Solve for x
    x = 20,015,521,869.00/156,943.20
  6. Step 6: Final answer
    x = 127,533.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.