Home / 105,004.55-157,507.39-26,118.77

Finding the Fourth Proportional to 105,004.55, 157,507.39 and 26,118.77

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Solution

The fourth proportional to 105,004.55, 157,507.39 and 26,118.77 is: 39,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.55 : 157,507.39 = 26,118.77 : x
  2. Step 2: Convert to fraction form
    105,004.55/157,507.39 = 26,118.77/x
  3. Step 3: Cross multiply
    105,004.55x = 157,507.39 × 26,118.77
  4. Step 4: Simplify right side
    105,004.55x = 4,113,899,621.18
  5. Step 5: Solve for x
    x = 4,113,899,621.18/105,004.55
  6. Step 6: Final answer
    x = 39,178.30

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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.