Home / 134,403.18-201,729.54-67,890.06

Finding the Fourth Proportional to 134,403.18, 201,729.54 and 67,890.06

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Solution

The fourth proportional to 134,403.18, 201,729.54 and 67,890.06 is: 101,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,403.18 : 201,729.54 = 67,890.06 : x
  2. Step 2: Convert to fraction form
    134,403.18/201,729.54 = 67,890.06/x
  3. Step 3: Cross multiply
    134,403.18x = 201,729.54 × 67,890.06
  4. Step 4: Simplify right side
    134,403.18x = 13,695,430,574.37
  5. Step 5: Solve for x
    x = 13,695,430,574.37/134,403.18
  6. Step 6: Final answer
    x = 101,898.11

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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.