Home / 179,986.79-248,397.15-99,423.11

Finding the Fourth Proportional to 179,986.79, 248,397.15 and 99,423.11

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Solution

The fourth proportional to 179,986.79, 248,397.15 and 99,423.11 is: 137,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,986.79 : 248,397.15 = 99,423.11 : x
  2. Step 2: Convert to fraction form
    179,986.79/248,397.15 = 99,423.11/x
  3. Step 3: Cross multiply
    179,986.79x = 248,397.15 × 99,423.11
  4. Step 4: Simplify right side
    179,986.79x = 24,696,415,926.15
  5. Step 5: Solve for x
    x = 24,696,415,926.15/179,986.79
  6. Step 6: Final answer
    x = 137,212.38

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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.