Home / 185,882.15-256,518.93-100,999.22

Finding the Fourth Proportional to 185,882.15, 256,518.93 and 100,999.22

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Solution

The fourth proportional to 185,882.15, 256,518.93 and 100,999.22 is: 139,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,882.15 : 256,518.93 = 100,999.22 : x
  2. Step 2: Convert to fraction form
    185,882.15/256,518.93 = 100,999.22/x
  3. Step 3: Cross multiply
    185,882.15x = 256,518.93 × 100,999.22
  4. Step 4: Simplify right side
    185,882.15x = 25,908,210,941.39
  5. Step 5: Solve for x
    x = 25,908,210,941.39/185,882.15
  6. Step 6: Final answer
    x = 139,379.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.