Home / 176,370.30-243,406.06-99,903.04

Finding the Fourth Proportional to 176,370.30, 243,406.06 and 99,903.04

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Solution

The fourth proportional to 176,370.30, 243,406.06 and 99,903.04 is: 137,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,370.30 : 243,406.06 = 99,903.04 : x
  2. Step 2: Convert to fraction form
    176,370.30/243,406.06 = 99,903.04/x
  3. Step 3: Cross multiply
    176,370.30x = 243,406.06 × 99,903.04
  4. Step 4: Simplify right side
    176,370.30x = 24,317,005,348.42
  5. Step 5: Solve for x
    x = 24,317,005,348.42/176,370.30
  6. Step 6: Final answer
    x = 137,874.72

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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.