Home / 191,164.19-263,802.28-103,947.41

Finding the Fourth Proportional to 191,164.19, 263,802.28 and 103,947.41

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Solution

The fourth proportional to 191,164.19, 263,802.28 and 103,947.41 is: 143,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,164.19 : 263,802.28 = 103,947.41 : x
  2. Step 2: Convert to fraction form
    191,164.19/263,802.28 = 103,947.41/x
  3. Step 3: Cross multiply
    191,164.19x = 263,802.28 × 103,947.41
  4. Step 4: Simplify right side
    191,164.19x = 27,421,561,919.35
  5. Step 5: Solve for x
    x = 27,421,561,919.35/191,164.19
  6. Step 6: Final answer
    x = 143,445.08

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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.