Home / 141,387.76-212,025.81-57,132.01

Finding the Fourth Proportional to 141,387.76, 212,025.81 and 57,132.01

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Solution

The fourth proportional to 141,387.76, 212,025.81 and 57,132.01 is: 85,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,387.76 : 212,025.81 = 57,132.01 : x
  2. Step 2: Convert to fraction form
    141,387.76/212,025.81 = 57,132.01/x
  3. Step 3: Cross multiply
    141,387.76x = 212,025.81 × 57,132.01
  4. Step 4: Simplify right side
    141,387.76x = 12,113,459,637.05
  5. Step 5: Solve for x
    x = 12,113,459,637.05/141,387.76
  6. Step 6: Final answer
    x = 85,675.45

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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.