Home / 163,931.10-245,896.65-119,348.70

Finding the Fourth Proportional to 163,931.10, 245,896.65 and 119,348.70

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Solution

The fourth proportional to 163,931.10, 245,896.65 and 119,348.70 is: 179,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,931.10 : 245,896.65 = 119,348.70 : x
  2. Step 2: Convert to fraction form
    163,931.10/245,896.65 = 119,348.70/x
  3. Step 3: Cross multiply
    163,931.10x = 245,896.65 × 119,348.70
  4. Step 4: Simplify right side
    163,931.10x = 29,347,445,511.86
  5. Step 5: Solve for x
    x = 29,347,445,511.86/163,931.10
  6. Step 6: Final answer
    x = 179,023.05

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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.