Home / 156,985.10-235,477.65-144,082.70

Finding the Fourth Proportional to 156,985.10, 235,477.65 and 144,082.70

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Solution

The fourth proportional to 156,985.10, 235,477.65 and 144,082.70 is: 216,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.10 : 235,477.65 = 144,082.70 : x
  2. Step 2: Convert to fraction form
    156,985.10/235,477.65 = 144,082.70/x
  3. Step 3: Cross multiply
    156,985.10x = 235,477.65 × 144,082.70
  4. Step 4: Simplify right side
    156,985.10x = 33,928,255,601.66
  5. Step 5: Solve for x
    x = 33,928,255,601.66/156,985.10
  6. Step 6: Final answer
    x = 216,124.05

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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.