Home / 191,043.48-263,563.02-115,460.76

Finding the Fourth Proportional to 191,043.48, 263,563.02 and 115,460.76

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Solution

The fourth proportional to 191,043.48, 263,563.02 and 115,460.76 is: 159,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,043.48 : 263,563.02 = 115,460.76 : x
  2. Step 2: Convert to fraction form
    191,043.48/263,563.02 = 115,460.76/x
  3. Step 3: Cross multiply
    191,043.48x = 263,563.02 × 115,460.76
  4. Step 4: Simplify right side
    191,043.48x = 30,431,186,597.10
  5. Step 5: Solve for x
    x = 30,431,186,597.10/191,043.48
  6. Step 6: Final answer
    x = 159,289.32

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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.