Home / 165,642.12-228,526.09-93,980.63

Finding the Fourth Proportional to 165,642.12, 228,526.09 and 93,980.63

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Solution

The fourth proportional to 165,642.12, 228,526.09 and 93,980.63 is: 129,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,642.12 : 228,526.09 = 93,980.63 : x
  2. Step 2: Convert to fraction form
    165,642.12/228,526.09 = 93,980.63/x
  3. Step 3: Cross multiply
    165,642.12x = 228,526.09 × 93,980.63
  4. Step 4: Simplify right side
    165,642.12x = 21,477,026,246.00
  5. Step 5: Solve for x
    x = 21,477,026,246.00/165,642.12
  6. Step 6: Final answer
    x = 129,659.21

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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.