Home / 477,985.41-716,731.11-140,983.16

Finding the Fourth Proportional to 477,985.41, 716,731.11 and 140,983.16

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Solution

The fourth proportional to 477,985.41, 716,731.11 and 140,983.16 is: 211,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,985.41 : 716,731.11 = 140,983.16 : x
  2. Step 2: Convert to fraction form
    477,985.41/716,731.11 = 140,983.16/x
  3. Step 3: Cross multiply
    477,985.41x = 716,731.11 × 140,983.16
  4. Step 4: Simplify right side
    477,985.41x = 101,047,013,174.45
  5. Step 5: Solve for x
    x = 101,047,013,174.45/477,985.41
  6. Step 6: Final answer
    x = 211,401.88

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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.