Home / 156,964.65-235,446.98-57,128.10

Finding the Fourth Proportional to 156,964.65, 235,446.98 and 57,128.10

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Solution

The fourth proportional to 156,964.65, 235,446.98 and 57,128.10 is: 85,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.65 : 235,446.98 = 57,128.10 : x
  2. Step 2: Convert to fraction form
    156,964.65/235,446.98 = 57,128.10/x
  3. Step 3: Cross multiply
    156,964.65x = 235,446.98 × 57,128.10
  4. Step 4: Simplify right side
    156,964.65x = 13,450,638,332.50
  5. Step 5: Solve for x
    x = 13,450,638,332.50/156,964.65
  6. Step 6: Final answer
    x = 85,692.15

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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.