Home / 157,979.09-218,015.33-94,353.59

Finding the Fourth Proportional to 157,979.09, 218,015.33 and 94,353.59

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Solution

The fourth proportional to 157,979.09, 218,015.33 and 94,353.59 is: 130,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,979.09 : 218,015.33 = 94,353.59 : x
  2. Step 2: Convert to fraction form
    157,979.09/218,015.33 = 94,353.59/x
  3. Step 3: Cross multiply
    157,979.09x = 218,015.33 × 94,353.59
  4. Step 4: Simplify right side
    157,979.09x = 20,570,527,498.69
  5. Step 5: Solve for x
    x = 20,570,527,498.69/157,979.09
  6. Step 6: Final answer
    x = 130,210.45

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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.