Home / 131,963.07-181,864.80-93,724.30

Finding the Fourth Proportional to 131,963.07, 181,864.80 and 93,724.30

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Solution

The fourth proportional to 131,963.07, 181,864.80 and 93,724.30 is: 129,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,963.07 : 181,864.80 = 93,724.30 : x
  2. Step 2: Convert to fraction form
    131,963.07/181,864.80 = 93,724.30/x
  3. Step 3: Cross multiply
    131,963.07x = 181,864.80 × 93,724.30
  4. Step 4: Simplify right side
    131,963.07x = 17,045,151,074.64
  5. Step 5: Solve for x
    x = 17,045,151,074.64/131,963.07
  6. Step 6: Final answer
    x = 129,166.07

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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.