Home / 236,700.12-326,647.98-129,268.20

Finding the Fourth Proportional to 236,700.12, 326,647.98 and 129,268.20

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Solution

The fourth proportional to 236,700.12, 326,647.98 and 129,268.20 is: 178,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,700.12 : 326,647.98 = 129,268.20 : x
  2. Step 2: Convert to fraction form
    236,700.12/326,647.98 = 129,268.20/x
  3. Step 3: Cross multiply
    236,700.12x = 326,647.98 × 129,268.20
  4. Step 4: Simplify right side
    236,700.12x = 42,225,196,408.24
  5. Step 5: Solve for x
    x = 42,225,196,408.24/236,700.12
  6. Step 6: Final answer
    x = 178,391.11

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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.