Home / 135,323.08-186,924.34-103,880.52

Finding the Fourth Proportional to 135,323.08, 186,924.34 and 103,880.52

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Solution

The fourth proportional to 135,323.08, 186,924.34 and 103,880.52 is: 143,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,323.08 : 186,924.34 = 103,880.52 : x
  2. Step 2: Convert to fraction form
    135,323.08/186,924.34 = 103,880.52/x
  3. Step 3: Cross multiply
    135,323.08x = 186,924.34 × 103,880.52
  4. Step 4: Simplify right side
    135,323.08x = 19,417,797,639.86
  5. Step 5: Solve for x
    x = 19,417,797,639.86/135,323.08
  6. Step 6: Final answer
    x = 143,492.13

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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.