Home / 158,155.10-236,970.20-111,309.56

Finding the Fourth Proportional to 158,155.10, 236,970.20 and 111,309.56

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Solution

The fourth proportional to 158,155.10, 236,970.20 and 111,309.56 is: 166,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,155.10 : 236,970.20 = 111,309.56 : x
  2. Step 2: Convert to fraction form
    158,155.10/236,970.20 = 111,309.56/x
  3. Step 3: Cross multiply
    158,155.10x = 236,970.20 × 111,309.56
  4. Step 4: Simplify right side
    158,155.10x = 26,377,046,953.71
  5. Step 5: Solve for x
    x = 26,377,046,953.71/158,155.10
  6. Step 6: Final answer
    x = 166,779.62

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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.