Home / 176,191.55-243,140.89-99,709.23

Finding the Fourth Proportional to 176,191.55, 243,140.89 and 99,709.23

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Solution

The fourth proportional to 176,191.55, 243,140.89 and 99,709.23 is: 137,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,191.55 : 243,140.89 = 99,709.23 : x
  2. Step 2: Convert to fraction form
    176,191.55/243,140.89 = 99,709.23/x
  3. Step 3: Cross multiply
    176,191.55x = 243,140.89 × 99,709.23
  4. Step 4: Simplify right side
    176,191.55x = 24,243,390,405.21
  5. Step 5: Solve for x
    x = 24,243,390,405.21/176,191.55
  6. Step 6: Final answer
    x = 137,596.78

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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.