Home / 169,384.02-253,854.54-69,427.20

Finding the Fourth Proportional to 169,384.02, 253,854.54 and 69,427.20

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Solution

The fourth proportional to 169,384.02, 253,854.54 and 69,427.20 is: 104,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,384.02 : 253,854.54 = 69,427.20 : x
  2. Step 2: Convert to fraction form
    169,384.02/253,854.54 = 69,427.20/x
  3. Step 3: Cross multiply
    169,384.02x = 253,854.54 × 69,427.20
  4. Step 4: Simplify right side
    169,384.02x = 17,624,409,919.49
  5. Step 5: Solve for x
    x = 17,624,409,919.49/169,384.02
  6. Step 6: Final answer
    x = 104,050.02

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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.