Home / 176,171.07-243,112.71-99,688.79

Finding the Fourth Proportional to 176,171.07, 243,112.71 and 99,688.79

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Solution

The fourth proportional to 176,171.07, 243,112.71 and 99,688.79 is: 137,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,171.07 : 243,112.71 = 99,688.79 : x
  2. Step 2: Convert to fraction form
    176,171.07/243,112.71 = 99,688.79/x
  3. Step 3: Cross multiply
    176,171.07x = 243,112.71 × 99,688.79
  4. Step 4: Simplify right side
    176,171.07x = 24,235,610,677.96
  5. Step 5: Solve for x
    x = 24,235,610,677.96/176,171.07
  6. Step 6: Final answer
    x = 137,568.62

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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.