Home / 216,634.64-298,855.06-140,178.40

Finding the Fourth Proportional to 216,634.64, 298,855.06 and 140,178.40

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Solution

The fourth proportional to 216,634.64, 298,855.06 and 140,178.40 is: 193,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,634.64 : 298,855.06 = 140,178.40 : x
  2. Step 2: Convert to fraction form
    216,634.64/298,855.06 = 140,178.40/x
  3. Step 3: Cross multiply
    216,634.64x = 298,855.06 × 140,178.40
  4. Step 4: Simplify right side
    216,634.64x = 41,893,023,045.12
  5. Step 5: Solve for x
    x = 41,893,023,045.12/216,634.64
  6. Step 6: Final answer
    x = 193,381.00

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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.