Home / 141,845.23-212,768.52-42,007.30

Finding the Fourth Proportional to 141,845.23, 212,768.52 and 42,007.30

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Solution

The fourth proportional to 141,845.23, 212,768.52 and 42,007.30 is: 63,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,845.23 : 212,768.52 = 42,007.30 : x
  2. Step 2: Convert to fraction form
    141,845.23/212,768.52 = 42,007.30/x
  3. Step 3: Cross multiply
    141,845.23x = 212,768.52 × 42,007.30
  4. Step 4: Simplify right side
    141,845.23x = 8,937,831,050.20
  5. Step 5: Solve for x
    x = 8,937,831,050.20/141,845.23
  6. Step 6: Final answer
    x = 63,011.15

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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.