Home / 103,653.60-143,044.79-58,333.20

Finding the Fourth Proportional to 103,653.60, 143,044.79 and 58,333.20

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Solution

The fourth proportional to 103,653.60, 143,044.79 and 58,333.20 is: 80,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,653.60 : 143,044.79 = 58,333.20 : x
  2. Step 2: Convert to fraction form
    103,653.60/143,044.79 = 58,333.20/x
  3. Step 3: Cross multiply
    103,653.60x = 143,044.79 × 58,333.20
  4. Step 4: Simplify right side
    103,653.60x = 8,344,260,052.36
  5. Step 5: Solve for x
    x = 8,344,260,052.36/103,653.60
  6. Step 6: Final answer
    x = 80,501.40

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1.5x scale

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.