Home / 358,851.20-537,686.40-218,186.24

Finding the Fourth Proportional to 358,851.20, 537,686.40 and 218,186.24

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Solution

The fourth proportional to 358,851.20, 537,686.40 and 218,186.24 is: 326,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,851.20 : 537,686.40 = 218,186.24 : x
  2. Step 2: Convert to fraction form
    358,851.20/537,686.40 = 218,186.24/x
  3. Step 3: Cross multiply
    358,851.20x = 537,686.40 × 218,186.24
  4. Step 4: Simplify right side
    358,851.20x = 117,315,773,915.14
  5. Step 5: Solve for x
    x = 117,315,773,915.14/358,851.20
  6. Step 6: Final answer
    x = 326,920.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.