Home / 107,209.02-160,638.54-103,113.66

Finding the Fourth Proportional to 107,209.02, 160,638.54 and 103,113.66

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Solution

The fourth proportional to 107,209.02, 160,638.54 and 103,113.66 is: 154,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,209.02 : 160,638.54 = 103,113.66 : x
  2. Step 2: Convert to fraction form
    107,209.02/160,638.54 = 103,113.66/x
  3. Step 3: Cross multiply
    107,209.02x = 160,638.54 × 103,113.66
  4. Step 4: Simplify right side
    107,209.02x = 16,564,027,796.46
  5. Step 5: Solve for x
    x = 16,564,027,796.46/107,209.02
  6. Step 6: Final answer
    x = 154,502.18

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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.