Home / 236,598.28-326,510.57-129,172.84

Finding the Fourth Proportional to 236,598.28, 326,510.57 and 129,172.84

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Solution

The fourth proportional to 236,598.28, 326,510.57 and 129,172.84 is: 178,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,598.28 : 326,510.57 = 129,172.84 : x
  2. Step 2: Convert to fraction form
    236,598.28/326,510.57 = 129,172.84/x
  3. Step 3: Cross multiply
    236,598.28x = 326,510.57 × 129,172.84
  4. Step 4: Simplify right side
    236,598.28x = 42,176,297,616.92
  5. Step 5: Solve for x
    x = 42,176,297,616.92/236,598.28
  6. Step 6: Final answer
    x = 178,261.22

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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.