Home / 107,990.10-161,988.96-29,106.24

Finding the Fourth Proportional to 107,990.10, 161,988.96 and 29,106.24

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Solution

The fourth proportional to 107,990.10, 161,988.96 and 29,106.24 is: 43,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,990.10 : 161,988.96 = 29,106.24 : x
  2. Step 2: Convert to fraction form
    107,990.10/161,988.96 = 29,106.24/x
  3. Step 3: Cross multiply
    107,990.10x = 161,988.96 × 29,106.24
  4. Step 4: Simplify right side
    107,990.10x = 4,714,889,547.11
  5. Step 5: Solve for x
    x = 4,714,889,547.11/107,990.10
  6. Step 6: Final answer
    x = 43,660.39

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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.