Home / 176,740.16-265,103.68-76,900.36

Finding the Fourth Proportional to 176,740.16, 265,103.68 and 76,900.36

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Solution

The fourth proportional to 176,740.16, 265,103.68 and 76,900.36 is: 115,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,740.16 : 265,103.68 = 76,900.36 : x
  2. Step 2: Convert to fraction form
    176,740.16/265,103.68 = 76,900.36/x
  3. Step 3: Cross multiply
    176,740.16x = 265,103.68 × 76,900.36
  4. Step 4: Simplify right side
    176,740.16x = 20,386,568,429.32
  5. Step 5: Solve for x
    x = 20,386,568,429.32/176,740.16
  6. Step 6: Final answer
    x = 115,347.69

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1.5x scale

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.