Home / 111,386.56-166,708.76-89,095.36

Finding the Fourth Proportional to 111,386.56, 166,708.76 and 89,095.36

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Solution

The fourth proportional to 111,386.56, 166,708.76 and 89,095.36 is: 133,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,386.56 : 166,708.76 = 89,095.36 : x
  2. Step 2: Convert to fraction form
    111,386.56/166,708.76 = 89,095.36/x
  3. Step 3: Cross multiply
    111,386.56x = 166,708.76 × 89,095.36
  4. Step 4: Simplify right side
    111,386.56x = 14,852,976,987.35
  5. Step 5: Solve for x
    x = 14,852,976,987.35/111,386.56
  6. Step 6: Final answer
    x = 133,346.22

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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.