Home / 130,673.84-180,139.01-92,365.79

Finding the Fourth Proportional to 130,673.84, 180,139.01 and 92,365.79

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Solution

The fourth proportional to 130,673.84, 180,139.01 and 92,365.79 is: 127,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,673.84 : 180,139.01 = 92,365.79 : x
  2. Step 2: Convert to fraction form
    130,673.84/180,139.01 = 92,365.79/x
  3. Step 3: Cross multiply
    130,673.84x = 180,139.01 × 92,365.79
  4. Step 4: Simplify right side
    130,673.84x = 16,638,680,605.94
  5. Step 5: Solve for x
    x = 16,638,680,605.94/130,673.84
  6. Step 6: Final answer
    x = 127,329.86

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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.