Home / 236,537.10-326,409.21-129,106.26

Finding the Fourth Proportional to 236,537.10, 326,409.21 and 129,106.26

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Solution

The fourth proportional to 236,537.10, 326,409.21 and 129,106.26 is: 178,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,537.10 : 326,409.21 = 129,106.26 : x
  2. Step 2: Convert to fraction form
    236,537.10/326,409.21 = 129,106.26/x
  3. Step 3: Cross multiply
    236,537.10x = 326,409.21 × 129,106.26
  4. Step 4: Simplify right side
    236,537.10x = 42,141,472,332.65
  5. Step 5: Solve for x
    x = 42,141,472,332.65/236,537.10
  6. Step 6: Final answer
    x = 178,160.10

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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.