Home / 216,475.76-298,799.52-125,872.40

Finding the Fourth Proportional to 216,475.76, 298,799.52 and 125,872.40

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Solution

The fourth proportional to 216,475.76, 298,799.52 and 125,872.40 is: 173,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,475.76 : 298,799.52 = 125,872.40 : x
  2. Step 2: Convert to fraction form
    216,475.76/298,799.52 = 125,872.40/x
  3. Step 3: Cross multiply
    216,475.76x = 298,799.52 × 125,872.40
  4. Step 4: Simplify right side
    216,475.76x = 37,610,612,701.25
  5. Step 5: Solve for x
    x = 37,610,612,701.25/216,475.76
  6. Step 6: Final answer
    x = 173,740.53

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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.