Home / 181,178.23-250,017.60-100,610.90

Finding the Fourth Proportional to 181,178.23, 250,017.60 and 100,610.90

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Solution

The fourth proportional to 181,178.23, 250,017.60 and 100,610.90 is: 138,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,178.23 : 250,017.60 = 100,610.90 : x
  2. Step 2: Convert to fraction form
    181,178.23/250,017.60 = 100,610.90/x
  3. Step 3: Cross multiply
    181,178.23x = 250,017.60 × 100,610.90
  4. Step 4: Simplify right side
    181,178.23x = 25,154,495,751.84
  5. Step 5: Solve for x
    x = 25,154,495,751.84/181,178.23
  6. Step 6: Final answer
    x = 138,838.40

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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.