Home / 358,428.11-537,641.42-105,885.92

Finding the Fourth Proportional to 358,428.11, 537,641.42 and 105,885.92

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Solution

The fourth proportional to 358,428.11, 537,641.42 and 105,885.92 is: 158,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,428.11 : 537,641.42 = 105,885.92 : x
  2. Step 2: Convert to fraction form
    358,428.11/537,641.42 = 105,885.92/x
  3. Step 3: Cross multiply
    358,428.11x = 537,641.42 × 105,885.92
  4. Step 4: Simplify right side
    358,428.11x = 56,928,657,201.48
  5. Step 5: Solve for x
    x = 56,928,657,201.48/358,428.11
  6. Step 6: Final answer
    x = 158,828.66

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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.