Home / 314,031.45-470,671.89-114,117.78

Finding the Fourth Proportional to 314,031.45, 470,671.89 and 114,117.78

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Solution

The fourth proportional to 314,031.45, 470,671.89 and 114,117.78 is: 171,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,031.45 : 470,671.89 = 114,117.78 : x
  2. Step 2: Convert to fraction form
    314,031.45/470,671.89 = 114,117.78/x
  3. Step 3: Cross multiply
    314,031.45x = 470,671.89 × 114,117.78
  4. Step 4: Simplify right side
    314,031.45x = 53,712,031,195.20
  5. Step 5: Solve for x
    x = 53,712,031,195.20/314,031.45
  6. Step 6: Final answer
    x = 171,040.29

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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.