Home / 136,526.92-204,784-47,800.32

Finding the Fourth Proportional to 136,526.92, 204,784 and 47,800.32

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Solution

The fourth proportional to 136,526.92, 204,784 and 47,800.32 is: 71,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,526.92 : 204,784 = 47,800.32 : x
  2. Step 2: Convert to fraction form
    136,526.92/204,784 = 47,800.32/x
  3. Step 3: Cross multiply
    136,526.92x = 204,784 × 47,800.32
  4. Step 4: Simplify right side
    136,526.92x = 9,788,740,730.88
  5. Step 5: Solve for x
    x = 9,788,740,730.88/136,526.92
  6. Step 6: Final answer
    x = 71,698.25

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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.