Home / 136,055.84-187,746.26-75,621.74

Finding the Fourth Proportional to 136,055.84, 187,746.26 and 75,621.74

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Solution

The fourth proportional to 136,055.84, 187,746.26 and 75,621.74 is: 104,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,055.84 : 187,746.26 = 75,621.74 : x
  2. Step 2: Convert to fraction form
    136,055.84/187,746.26 = 75,621.74/x
  3. Step 3: Cross multiply
    136,055.84x = 187,746.26 × 75,621.74
  4. Step 4: Simplify right side
    136,055.84x = 14,197,698,859.69
  5. Step 5: Solve for x
    x = 14,197,698,859.69/136,055.84
  6. Step 6: Final answer
    x = 104,352.00

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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.