Home / 105,204.87-157,807.20-26,319.03

Finding the Fourth Proportional to 105,204.87, 157,807.20 and 26,319.03

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Solution

The fourth proportional to 105,204.87, 157,807.20 and 26,319.03 is: 39,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,204.87 : 157,807.20 = 26,319.03 : x
  2. Step 2: Convert to fraction form
    105,204.87/157,807.20 = 26,319.03/x
  3. Step 3: Cross multiply
    105,204.87x = 157,807.20 × 26,319.03
  4. Step 4: Simplify right side
    105,204.87x = 4,153,332,431.02
  5. Step 5: Solve for x
    x = 4,153,332,431.02/105,204.87
  6. Step 6: Final answer
    x = 39,478.52

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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.