Home / 236,570.28-326,454.48-129,119.46

Finding the Fourth Proportional to 236,570.28, 326,454.48 and 129,119.46

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Solution

The fourth proportional to 236,570.28, 326,454.48 and 129,119.46 is: 178,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,570.28 : 326,454.48 = 129,119.46 : x
  2. Step 2: Convert to fraction form
    236,570.28/326,454.48 = 129,119.46/x
  3. Step 3: Cross multiply
    236,570.28x = 326,454.48 × 129,119.46
  4. Step 4: Simplify right side
    236,570.28x = 42,151,626,172.18
  5. Step 5: Solve for x
    x = 42,151,626,172.18/236,570.28
  6. Step 6: Final answer
    x = 178,178.03

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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.