Home / 143,475.60-215,211.62-64,534.08

Finding the Fourth Proportional to 143,475.60, 215,211.62 and 64,534.08

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Solution

The fourth proportional to 143,475.60, 215,211.62 and 64,534.08 is: 96,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,475.60 : 215,211.62 = 64,534.08 : x
  2. Step 2: Convert to fraction form
    143,475.60/215,211.62 = 64,534.08/x
  3. Step 3: Cross multiply
    143,475.60x = 215,211.62 × 64,534.08
  4. Step 4: Simplify right side
    143,475.60x = 13,888,483,902.01
  5. Step 5: Solve for x
    x = 13,888,483,902.01/143,475.60
  6. Step 6: Final answer
    x = 96,800.32

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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.