Home / 358,572.15-537,732.86-105,785.53

Finding the Fourth Proportional to 358,572.15, 537,732.86 and 105,785.53

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Solution

The fourth proportional to 358,572.15, 537,732.86 and 105,785.53 is: 158,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,572.15 : 537,732.86 = 105,785.53 : x
  2. Step 2: Convert to fraction form
    358,572.15/537,732.86 = 105,785.53/x
  3. Step 3: Cross multiply
    358,572.15x = 537,732.86 × 105,785.53
  4. Step 4: Simplify right side
    358,572.15x = 56,884,355,593.52
  5. Step 5: Solve for x
    x = 56,884,355,593.52/358,572.15
  6. Step 6: Final answer
    x = 158,641.31

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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.