Home / 140,461.70-193,837.12-76,799.48

Finding the Fourth Proportional to 140,461.70, 193,837.12 and 76,799.48

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Solution

The fourth proportional to 140,461.70, 193,837.12 and 76,799.48 is: 105,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461.70 : 193,837.12 = 76,799.48 : x
  2. Step 2: Convert to fraction form
    140,461.70/193,837.12 = 76,799.48/x
  3. Step 3: Cross multiply
    140,461.70x = 193,837.12 × 76,799.48
  4. Step 4: Simplify right side
    140,461.70x = 14,886,588,859.51
  5. Step 5: Solve for x
    x = 14,886,588,859.51/140,461.70
  6. Step 6: Final answer
    x = 105,983.26

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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.