Home / 236,132.06-325,860.16-128,702.10

Finding the Fourth Proportional to 236,132.06, 325,860.16 and 128,702.10

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Solution

The fourth proportional to 236,132.06, 325,860.16 and 128,702.10 is: 177,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,132.06 : 325,860.16 = 128,702.10 : x
  2. Step 2: Convert to fraction form
    236,132.06/325,860.16 = 128,702.10/x
  3. Step 3: Cross multiply
    236,132.06x = 325,860.16 × 128,702.10
  4. Step 4: Simplify right side
    236,132.06x = 41,938,886,898.34
  5. Step 5: Solve for x
    x = 41,938,886,898.34/236,132.06
  6. Step 6: Final answer
    x = 177,607.76

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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.