Home / 191,165.19-263,803.65-103,948.41

Finding the Fourth Proportional to 191,165.19, 263,803.65 and 103,948.41

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Solution

The fourth proportional to 191,165.19, 263,803.65 and 103,948.41 is: 143,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,165.19 : 263,803.65 = 103,948.41 : x
  2. Step 2: Convert to fraction form
    191,165.19/263,803.65 = 103,948.41/x
  3. Step 3: Cross multiply
    191,165.19x = 263,803.65 × 103,948.41
  4. Step 4: Simplify right side
    191,165.19x = 27,421,969,969.70
  5. Step 5: Solve for x
    x = 27,421,969,969.70/191,165.19
  6. Step 6: Final answer
    x = 143,446.46

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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.