Home / 236,622.78-326,536.95-129,192.48

Finding the Fourth Proportional to 236,622.78, 326,536.95 and 129,192.48

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Solution

The fourth proportional to 236,622.78, 326,536.95 and 129,192.48 is: 178,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,622.78 : 326,536.95 = 129,192.48 : x
  2. Step 2: Convert to fraction form
    236,622.78/326,536.95 = 129,192.48/x
  3. Step 3: Cross multiply
    236,622.78x = 326,536.95 × 129,192.48
  4. Step 4: Simplify right side
    236,622.78x = 42,186,118,382.14
  5. Step 5: Solve for x
    x = 42,186,118,382.14/236,622.78
  6. Step 6: Final answer
    x = 178,284.26

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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.