Home / 172,182.02-237,658.11-111,749.15

Finding the Fourth Proportional to 172,182.02, 237,658.11 and 111,749.15

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Solution

The fourth proportional to 172,182.02, 237,658.11 and 111,749.15 is: 154,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,182.02 : 237,658.11 = 111,749.15 : x
  2. Step 2: Convert to fraction form
    172,182.02/237,658.11 = 111,749.15/x
  3. Step 3: Cross multiply
    172,182.02x = 237,658.11 × 111,749.15
  4. Step 4: Simplify right side
    172,182.02x = 26,558,091,783.11
  5. Step 5: Solve for x
    x = 26,558,091,783.11/172,182.02
  6. Step 6: Final answer
    x = 154,244.28

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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.