Home / 236,274.23-326,058.51-128,841.50

Finding the Fourth Proportional to 236,274.23, 326,058.51 and 128,841.50

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Solution

The fourth proportional to 236,274.23, 326,058.51 and 128,841.50 is: 177,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,274.23 : 326,058.51 = 128,841.50 : x
  2. Step 2: Convert to fraction form
    236,274.23/326,058.51 = 128,841.50/x
  3. Step 3: Cross multiply
    236,274.23x = 326,058.51 × 128,841.50
  4. Step 4: Simplify right side
    236,274.23x = 42,009,868,814.47
  5. Step 5: Solve for x
    x = 42,009,868,814.47/236,274.23
  6. Step 6: Final answer
    x = 177,801.31

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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.