Home / 358,429.11-537,642.91-105,886.92

Finding the Fourth Proportional to 358,429.11, 537,642.91 and 105,886.92

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Solution

The fourth proportional to 358,429.11, 537,642.91 and 105,886.92 is: 158,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,429.11 : 537,642.91 = 105,886.92 : x
  2. Step 2: Convert to fraction form
    358,429.11/537,642.91 = 105,886.92/x
  3. Step 3: Cross multiply
    358,429.11x = 537,642.91 × 105,886.92
  4. Step 4: Simplify right side
    358,429.11x = 56,929,351,799.74
  5. Step 5: Solve for x
    x = 56,929,351,799.74/358,429.11
  6. Step 6: Final answer
    x = 158,830.16

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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.