Home / 156,102.03-215,421.44-84,482.01

Finding the Fourth Proportional to 156,102.03, 215,421.44 and 84,482.01

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Solution

The fourth proportional to 156,102.03, 215,421.44 and 84,482.01 is: 116,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,102.03 : 215,421.44 = 84,482.01 : x
  2. Step 2: Convert to fraction form
    156,102.03/215,421.44 = 84,482.01/x
  3. Step 3: Cross multiply
    156,102.03x = 215,421.44 × 84,482.01
  4. Step 4: Simplify right side
    156,102.03x = 18,199,235,825.88
  5. Step 5: Solve for x
    x = 18,199,235,825.88/156,102.03
  6. Step 6: Final answer
    x = 116,585.52

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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.