Home / 156,931.80-235,397.70-146,563.80

Finding the Fourth Proportional to 156,931.80, 235,397.70 and 146,563.80

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Solution

The fourth proportional to 156,931.80, 235,397.70 and 146,563.80 is: 219,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.80 : 235,397.70 = 146,563.80 : x
  2. Step 2: Convert to fraction form
    156,931.80/235,397.70 = 146,563.80/x
  3. Step 3: Cross multiply
    156,931.80x = 235,397.70 × 146,563.80
  4. Step 4: Simplify right side
    156,931.80x = 34,500,781,423.26
  5. Step 5: Solve for x
    x = 34,500,781,423.26/156,931.80
  6. Step 6: Final answer
    x = 219,845.70

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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.