Home / 236,490.10-326,344.35-129,059.26

Finding the Fourth Proportional to 236,490.10, 326,344.35 and 129,059.26

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Solution

The fourth proportional to 236,490.10, 326,344.35 and 129,059.26 is: 178,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,490.10 : 326,344.35 = 129,059.26 : x
  2. Step 2: Convert to fraction form
    236,490.10/326,344.35 = 129,059.26/x
  3. Step 3: Cross multiply
    236,490.10x = 326,344.35 × 129,059.26
  4. Step 4: Simplify right side
    236,490.10x = 42,117,760,316.18
  5. Step 5: Solve for x
    x = 42,117,760,316.18/236,490.10
  6. Step 6: Final answer
    x = 178,095.24

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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.