Home / 236,703.51-326,656.53-129,272.63

Finding the Fourth Proportional to 236,703.51, 326,656.53 and 129,272.63

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Solution

The fourth proportional to 236,703.51, 326,656.53 and 129,272.63 is: 178,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,703.51 : 326,656.53 = 129,272.63 : x
  2. Step 2: Convert to fraction form
    236,703.51/326,656.53 = 129,272.63/x
  3. Step 3: Cross multiply
    236,703.51x = 326,656.53 × 129,272.63
  4. Step 4: Simplify right side
    236,703.51x = 42,227,747,106.49
  5. Step 5: Solve for x
    x = 42,227,747,106.49/236,703.51
  6. Step 6: Final answer
    x = 178,399.33

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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.