Home / 236,709.51-326,574.50-139,892.91

Finding the Fourth Proportional to 236,709.51, 326,574.50 and 139,892.91

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Solution

The fourth proportional to 236,709.51, 326,574.50 and 139,892.91 is: 193,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,709.51 : 326,574.50 = 139,892.91 : x
  2. Step 2: Convert to fraction form
    236,709.51/326,574.50 = 139,892.91/x
  3. Step 3: Cross multiply
    236,709.51x = 326,574.50 × 139,892.91
  4. Step 4: Simplify right side
    236,709.51x = 45,685,456,437.33
  5. Step 5: Solve for x
    x = 45,685,456,437.33/236,709.51
  6. Step 6: Final answer
    x = 193,002.20

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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.