Home / 185,623.18-256,160.12-100,740.24

Finding the Fourth Proportional to 185,623.18, 256,160.12 and 100,740.24

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Solution

The fourth proportional to 185,623.18, 256,160.12 and 100,740.24 is: 139,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,623.18 : 256,160.12 = 100,740.24 : x
  2. Step 2: Convert to fraction form
    185,623.18/256,160.12 = 100,740.24/x
  3. Step 3: Cross multiply
    185,623.18x = 256,160.12 × 100,740.24
  4. Step 4: Simplify right side
    185,623.18x = 25,805,631,967.23
  5. Step 5: Solve for x
    x = 25,805,631,967.23/185,623.18
  6. Step 6: Final answer
    x = 139,021.60

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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.