Home / 133,427.16-184,065.86-82,421.53

Finding the Fourth Proportional to 133,427.16, 184,065.86 and 82,421.53

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Solution

The fourth proportional to 133,427.16, 184,065.86 and 82,421.53 is: 113,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,427.16 : 184,065.86 = 82,421.53 : x
  2. Step 2: Convert to fraction form
    133,427.16/184,065.86 = 82,421.53/x
  3. Step 3: Cross multiply
    133,427.16x = 184,065.86 × 82,421.53
  4. Step 4: Simplify right side
    133,427.16x = 15,170,989,547.86
  5. Step 5: Solve for x
    x = 15,170,989,547.86/133,427.16
  6. Step 6: Final answer
    x = 113,702.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.