Home / 176,722.54-243,875.12-105,103.76

Finding the Fourth Proportional to 176,722.54, 243,875.12 and 105,103.76

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Solution

The fourth proportional to 176,722.54, 243,875.12 and 105,103.76 is: 145,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,722.54 : 243,875.12 = 105,103.76 : x
  2. Step 2: Convert to fraction form
    176,722.54/243,875.12 = 105,103.76/x
  3. Step 3: Cross multiply
    176,722.54x = 243,875.12 × 105,103.76
  4. Step 4: Simplify right side
    176,722.54x = 25,632,192,082.45
  5. Step 5: Solve for x
    x = 25,632,192,082.45/176,722.54
  6. Step 6: Final answer
    x = 145,042.01

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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.