Home / 236,746-326,707.54-129,316.06

Finding the Fourth Proportional to 236,746, 326,707.54 and 129,316.06

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Solution

The fourth proportional to 236,746, 326,707.54 and 129,316.06 is: 178,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,746 : 326,707.54 = 129,316.06 : x
  2. Step 2: Convert to fraction form
    236,746/326,707.54 = 129,316.06/x
  3. Step 3: Cross multiply
    236,746x = 326,707.54 × 129,316.06
  4. Step 4: Simplify right side
    236,746x = 42,248,531,845.09
  5. Step 5: Solve for x
    x = 42,248,531,845.09/236,746
  6. Step 6: Final answer
    x = 178,455.10

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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.