Home / 161,209.47-241,445.45-77,028.81

Finding the Fourth Proportional to 161,209.47, 241,445.45 and 77,028.81

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Solution

The fourth proportional to 161,209.47, 241,445.45 and 77,028.81 is: 115,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,209.47 : 241,445.45 = 77,028.81 : x
  2. Step 2: Convert to fraction form
    161,209.47/241,445.45 = 77,028.81/x
  3. Step 3: Cross multiply
    161,209.47x = 241,445.45 × 77,028.81
  4. Step 4: Simplify right side
    161,209.47x = 18,598,254,486.19
  5. Step 5: Solve for x
    x = 18,598,254,486.19/161,209.47
  6. Step 6: Final answer
    x = 115,367.01

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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.