Home / 156,914.65-235,371.98-57,078.10

Finding the Fourth Proportional to 156,914.65, 235,371.98 and 57,078.10

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Solution

The fourth proportional to 156,914.65, 235,371.98 and 57,078.10 is: 85,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914.65 : 235,371.98 = 57,078.10 : x
  2. Step 2: Convert to fraction form
    156,914.65/235,371.98 = 57,078.10/x
  3. Step 3: Cross multiply
    156,914.65x = 235,371.98 × 57,078.10
  4. Step 4: Simplify right side
    156,914.65x = 13,434,585,411.64
  5. Step 5: Solve for x
    x = 13,434,585,411.64/156,914.65
  6. Step 6: Final answer
    x = 85,617.15

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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.