Home / 143,585.25-215,377.93-64,607.22

Finding the Fourth Proportional to 143,585.25, 215,377.93 and 64,607.22

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Solution

The fourth proportional to 143,585.25, 215,377.93 and 64,607.22 is: 96,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,585.25 : 215,377.93 = 64,607.22 : x
  2. Step 2: Convert to fraction form
    143,585.25/215,377.93 = 64,607.22/x
  3. Step 3: Cross multiply
    143,585.25x = 215,377.93 × 64,607.22
  4. Step 4: Simplify right side
    143,585.25x = 13,914,968,068.25
  5. Step 5: Solve for x
    x = 13,914,968,068.25/143,585.25
  6. Step 6: Final answer
    x = 96,910.84

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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.