Home / 97,712.55-146,568.83-91,807.65

Finding the Fourth Proportional to 97,712.55, 146,568.83 and 91,807.65

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Solution

The fourth proportional to 97,712.55, 146,568.83 and 91,807.65 is: 137,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.55 : 146,568.83 = 91,807.65 : x
  2. Step 2: Convert to fraction form
    97,712.55/146,568.83 = 91,807.65/x
  3. Step 3: Cross multiply
    97,712.55x = 146,568.83 × 91,807.65
  4. Step 4: Simplify right side
    97,712.55x = 13,456,139,386.51
  5. Step 5: Solve for x
    x = 13,456,139,386.51/97,712.55
  6. Step 6: Final answer
    x = 137,711.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.