Home / 165,243.95-228,036.88-93,628.81

Finding the Fourth Proportional to 165,243.95, 228,036.88 and 93,628.81

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Solution

The fourth proportional to 165,243.95, 228,036.88 and 93,628.81 is: 129,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,243.95 : 228,036.88 = 93,628.81 : x
  2. Step 2: Convert to fraction form
    165,243.95/228,036.88 = 93,628.81/x
  3. Step 3: Cross multiply
    165,243.95x = 228,036.88 × 93,628.81
  4. Step 4: Simplify right side
    165,243.95x = 21,350,821,710.51
  5. Step 5: Solve for x
    x = 21,350,821,710.51/165,243.95
  6. Step 6: Final answer
    x = 129,207.89

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1.5x scale

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.