Home / 236,371.48-326,185.50-128,943.16

Finding the Fourth Proportional to 236,371.48, 326,185.50 and 128,943.16

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Solution

The fourth proportional to 236,371.48, 326,185.50 and 128,943.16 is: 177,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,371.48 : 326,185.50 = 128,943.16 : x
  2. Step 2: Convert to fraction form
    236,371.48/326,185.50 = 128,943.16/x
  3. Step 3: Cross multiply
    236,371.48x = 326,185.50 × 128,943.16
  4. Step 4: Simplify right side
    236,371.48x = 42,059,389,116.18
  5. Step 5: Solve for x
    x = 42,059,389,116.18/236,371.48
  6. Step 6: Final answer
    x = 177,937.66

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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.