Home / 116,537.04-160,821.28-66,236

Finding the Fourth Proportional to 116,537.04, 160,821.28 and 66,236

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Solution

The fourth proportional to 116,537.04, 160,821.28 and 66,236 is: 91,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,537.04 : 160,821.28 = 66,236 : x
  2. Step 2: Convert to fraction form
    116,537.04/160,821.28 = 66,236/x
  3. Step 3: Cross multiply
    116,537.04x = 160,821.28 × 66,236
  4. Step 4: Simplify right side
    116,537.04x = 10,652,158,302.08
  5. Step 5: Solve for x
    x = 10,652,158,302.08/116,537.04
  6. Step 6: Final answer
    x = 91,405.77

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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.