Home / 309,221.46-463,929.05-93,088.75

Finding the Fourth Proportional to 309,221.46, 463,929.05 and 93,088.75

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Solution

The fourth proportional to 309,221.46, 463,929.05 and 93,088.75 is: 139,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,221.46 : 463,929.05 = 93,088.75 : x
  2. Step 2: Convert to fraction form
    309,221.46/463,929.05 = 93,088.75/x
  3. Step 3: Cross multiply
    309,221.46x = 463,929.05 × 93,088.75
  4. Step 4: Simplify right side
    309,221.46x = 43,186,575,353.19
  5. Step 5: Solve for x
    x = 43,186,575,353.19/309,221.46
  6. Step 6: Final answer
    x = 139,662.28

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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.