Home / 113,799.10-170,309.85-99,802.30

Finding the Fourth Proportional to 113,799.10, 170,309.85 and 99,802.30

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Solution

The fourth proportional to 113,799.10, 170,309.85 and 99,802.30 is: 149,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,799.10 : 170,309.85 = 99,802.30 : x
  2. Step 2: Convert to fraction form
    113,799.10/170,309.85 = 99,802.30/x
  3. Step 3: Cross multiply
    113,799.10x = 170,309.85 × 99,802.30
  4. Step 4: Simplify right side
    113,799.10x = 16,997,314,742.66
  5. Step 5: Solve for x
    x = 16,997,314,742.66/113,799.10
  6. Step 6: Final answer
    x = 149,362.47

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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.