Home / 190,623.68-263,032.80-110,038.40

Finding the Fourth Proportional to 190,623.68, 263,032.80 and 110,038.40

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Solution

The fourth proportional to 190,623.68, 263,032.80 and 110,038.40 is: 151,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,623.68 : 263,032.80 = 110,038.40 : x
  2. Step 2: Convert to fraction form
    190,623.68/263,032.80 = 110,038.40/x
  3. Step 3: Cross multiply
    190,623.68x = 263,032.80 × 110,038.40
  4. Step 4: Simplify right side
    190,623.68x = 28,943,708,459.52
  5. Step 5: Solve for x
    x = 28,943,708,459.52/190,623.68
  6. Step 6: Final answer
    x = 151,836.90

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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.