Home / 236,646.65-326,585.67-129,226.70

Finding the Fourth Proportional to 236,646.65, 326,585.67 and 129,226.70

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Solution

The fourth proportional to 236,646.65, 326,585.67 and 129,226.70 is: 178,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,646.65 : 326,585.67 = 129,226.70 : x
  2. Step 2: Convert to fraction form
    236,646.65/326,585.67 = 129,226.70/x
  3. Step 3: Cross multiply
    236,646.65x = 326,585.67 × 129,226.70
  4. Step 4: Simplify right side
    236,646.65x = 42,203,588,401.39
  5. Step 5: Solve for x
    x = 42,203,588,401.39/236,646.65
  6. Step 6: Final answer
    x = 178,340.10

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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.