Home / 163,006.79-224,960.19-91,391.45

Finding the Fourth Proportional to 163,006.79, 224,960.19 and 91,391.45

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Solution

The fourth proportional to 163,006.79, 224,960.19 and 91,391.45 is: 126,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,006.79 : 224,960.19 = 91,391.45 : x
  2. Step 2: Convert to fraction form
    163,006.79/224,960.19 = 91,391.45/x
  3. Step 3: Cross multiply
    163,006.79x = 224,960.19 × 91,391.45
  4. Step 4: Simplify right side
    163,006.79x = 20,559,437,956.38
  5. Step 5: Solve for x
    x = 20,559,437,956.38/163,006.79
  6. Step 6: Final answer
    x = 126,126.27

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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.