Home / 156,970.10-235,455.15-97,046.30

Finding the Fourth Proportional to 156,970.10, 235,455.15 and 97,046.30

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Solution

The fourth proportional to 156,970.10, 235,455.15 and 97,046.30 is: 145,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.10 : 235,455.15 = 97,046.30 : x
  2. Step 2: Convert to fraction form
    156,970.10/235,455.15 = 97,046.30/x
  3. Step 3: Cross multiply
    156,970.10x = 235,455.15 × 97,046.30
  4. Step 4: Simplify right side
    156,970.10x = 22,850,051,123.45
  5. Step 5: Solve for x
    x = 22,850,051,123.45/156,970.10
  6. Step 6: Final answer
    x = 145,569.45

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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.