Home / 190,746.36-263,278.35-130,341.42

Finding the Fourth Proportional to 190,746.36, 263,278.35 and 130,341.42

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Solution

The fourth proportional to 190,746.36, 263,278.35 and 130,341.42 is: 179,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,746.36 : 263,278.35 = 130,341.42 : x
  2. Step 2: Convert to fraction form
    190,746.36/263,278.35 = 130,341.42/x
  3. Step 3: Cross multiply
    190,746.36x = 263,278.35 × 130,341.42
  4. Step 4: Simplify right side
    190,746.36x = 34,316,073,994.26
  5. Step 5: Solve for x
    x = 34,316,073,994.26/190,746.36
  6. Step 6: Final answer
    x = 179,904.21

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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.