Home / 124,776.06-187,238.20-45,945.64

Finding the Fourth Proportional to 124,776.06, 187,238.20 and 45,945.64

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Solution

The fourth proportional to 124,776.06, 187,238.20 and 45,945.64 is: 68,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,776.06 : 187,238.20 = 45,945.64 : x
  2. Step 2: Convert to fraction form
    124,776.06/187,238.20 = 45,945.64/x
  3. Step 3: Cross multiply
    124,776.06x = 187,238.20 × 45,945.64
  4. Step 4: Simplify right side
    124,776.06x = 8,602,778,931.45
  5. Step 5: Solve for x
    x = 8,602,778,931.45/124,776.06
  6. Step 6: Final answer
    x = 68,945.75

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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.