Home / 190,917.15-286,437.93-91,064.34

Finding the Fourth Proportional to 190,917.15, 286,437.93 and 91,064.34

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Solution

The fourth proportional to 190,917.15, 286,437.93 and 91,064.34 is: 136,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,917.15 : 286,437.93 = 91,064.34 : x
  2. Step 2: Convert to fraction form
    190,917.15/286,437.93 = 91,064.34/x
  3. Step 3: Cross multiply
    190,917.15x = 286,437.93 × 91,064.34
  4. Step 4: Simplify right side
    190,917.15x = 26,084,281,046.42
  5. Step 5: Solve for x
    x = 26,084,281,046.42/190,917.15
  6. Step 6: Final answer
    x = 136,626.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.