Home / 236,859.60-326,862.29-129,427.16

Finding the Fourth Proportional to 236,859.60, 326,862.29 and 129,427.16

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Solution

The fourth proportional to 236,859.60, 326,862.29 and 129,427.16 is: 178,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,859.60 : 326,862.29 = 129,427.16 : x
  2. Step 2: Convert to fraction form
    236,859.60/326,862.29 = 129,427.16/x
  3. Step 3: Cross multiply
    236,859.60x = 326,862.29 × 129,427.16
  4. Step 4: Simplify right side
    236,859.60x = 42,304,855,624.35
  5. Step 5: Solve for x
    x = 42,304,855,624.35/236,859.60
  6. Step 6: Final answer
    x = 178,607.31

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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.