Home / 124,113.01-186,263.07-90,918.01

Finding the Fourth Proportional to 124,113.01, 186,263.07 and 90,918.01

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Solution

The fourth proportional to 124,113.01, 186,263.07 and 90,918.01 is: 136,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,113.01 : 186,263.07 = 90,918.01 : x
  2. Step 2: Convert to fraction form
    124,113.01/186,263.07 = 90,918.01/x
  3. Step 3: Cross multiply
    124,113.01x = 186,263.07 × 90,918.01
  4. Step 4: Simplify right side
    124,113.01x = 16,934,667,660.89
  5. Step 5: Solve for x
    x = 16,934,667,660.89/124,113.01
  6. Step 6: Final answer
    x = 136,445.55

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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.