Home / 156,930.10-235,395.15-97,006.30

Finding the Fourth Proportional to 156,930.10, 235,395.15 and 97,006.30

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Solution

The fourth proportional to 156,930.10, 235,395.15 and 97,006.30 is: 145,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.10 : 235,395.15 = 97,006.30 : x
  2. Step 2: Convert to fraction form
    156,930.10/235,395.15 = 97,006.30/x
  3. Step 3: Cross multiply
    156,930.10x = 235,395.15 × 97,006.30
  4. Step 4: Simplify right side
    156,930.10x = 22,834,812,539.45
  5. Step 5: Solve for x
    x = 22,834,812,539.45/156,930.10
  6. Step 6: Final answer
    x = 145,509.45

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1.5x scale

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.