Home / 236,123.10-354,184.65-156,980.70

Finding the Fourth Proportional to 236,123.10, 354,184.65 and 156,980.70

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Solution

The fourth proportional to 236,123.10, 354,184.65 and 156,980.70 is: 235,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,123.10 : 354,184.65 = 156,980.70 : x
  2. Step 2: Convert to fraction form
    236,123.10/354,184.65 = 156,980.70/x
  3. Step 3: Cross multiply
    236,123.10x = 354,184.65 × 156,980.70
  4. Step 4: Simplify right side
    236,123.10x = 55,600,154,286.26
  5. Step 5: Solve for x
    x = 55,600,154,286.26/236,123.10
  6. Step 6: Final answer
    x = 235,471.05

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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.