Home / 170,236.80-234,917.60-93,741.12

Finding the Fourth Proportional to 170,236.80, 234,917.60 and 93,741.12

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Solution

The fourth proportional to 170,236.80, 234,917.60 and 93,741.12 is: 129,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,236.80 : 234,917.60 = 93,741.12 : x
  2. Step 2: Convert to fraction form
    170,236.80/234,917.60 = 93,741.12/x
  3. Step 3: Cross multiply
    170,236.80x = 234,917.60 × 93,741.12
  4. Step 4: Simplify right side
    170,236.80x = 22,021,438,931.71
  5. Step 5: Solve for x
    x = 22,021,438,931.71/170,236.80
  6. Step 6: Final answer
    x = 129,357.69

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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.