Home / 156,038.40-234,057.60-146,196.90

Finding the Fourth Proportional to 156,038.40, 234,057.60 and 146,196.90

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Solution

The fourth proportional to 156,038.40, 234,057.60 and 146,196.90 is: 219,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,038.40 : 234,057.60 = 146,196.90 : x
  2. Step 2: Convert to fraction form
    156,038.40/234,057.60 = 146,196.90/x
  3. Step 3: Cross multiply
    156,038.40x = 234,057.60 × 146,196.90
  4. Step 4: Simplify right side
    156,038.40x = 34,218,495,541.44
  5. Step 5: Solve for x
    x = 34,218,495,541.44/156,038.40
  6. Step 6: Final answer
    x = 219,295.35

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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.