Home / 156,769.04-235,158.05-38,440.32

Finding the Fourth Proportional to 156,769.04, 235,158.05 and 38,440.32

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Solution

The fourth proportional to 156,769.04, 235,158.05 and 38,440.32 is: 57,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.04 : 235,158.05 = 38,440.32 : x
  2. Step 2: Convert to fraction form
    156,769.04/235,158.05 = 38,440.32/x
  3. Step 3: Cross multiply
    156,769.04x = 235,158.05 × 38,440.32
  4. Step 4: Simplify right side
    156,769.04x = 9,039,550,692.58
  5. Step 5: Solve for x
    x = 9,039,550,692.58/156,769.04
  6. Step 6: Final answer
    x = 57,661.58

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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.