Home / 107,341.32-161,041.14-76,373.40

Finding the Fourth Proportional to 107,341.32, 161,041.14 and 76,373.40

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Solution

The fourth proportional to 107,341.32, 161,041.14 and 76,373.40 is: 114,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,341.32 : 161,041.14 = 76,373.40 : x
  2. Step 2: Convert to fraction form
    107,341.32/161,041.14 = 76,373.40/x
  3. Step 3: Cross multiply
    107,341.32x = 161,041.14 × 76,373.40
  4. Step 4: Simplify right side
    107,341.32x = 12,299,259,401.68
  5. Step 5: Solve for x
    x = 12,299,259,401.68/107,341.32
  6. Step 6: Final answer
    x = 114,580.85

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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.