Home / 236,717.66-326,658.06-129,266.72

Finding the Fourth Proportional to 236,717.66, 326,658.06 and 129,266.72

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Solution

The fourth proportional to 236,717.66, 326,658.06 and 129,266.72 is: 178,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,717.66 : 326,658.06 = 129,266.72 : x
  2. Step 2: Convert to fraction form
    236,717.66/326,658.06 = 129,266.72/x
  3. Step 3: Cross multiply
    236,717.66x = 326,658.06 × 129,266.72
  4. Step 4: Simplify right side
    236,717.66x = 42,226,015,977.76
  5. Step 5: Solve for x
    x = 42,226,015,977.76/236,717.66
  6. Step 6: Final answer
    x = 178,381.35

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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.