Home / 107,535.60-161,536.68-103,599

Finding the Fourth Proportional to 107,535.60, 161,536.68 and 103,599

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Solution

The fourth proportional to 107,535.60, 161,536.68 and 103,599 is: 155,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,535.60 : 161,536.68 = 103,599 : x
  2. Step 2: Convert to fraction form
    107,535.60/161,536.68 = 103,599/x
  3. Step 3: Cross multiply
    107,535.60x = 161,536.68 × 103,599
  4. Step 4: Simplify right side
    107,535.60x = 16,735,038,511.32
  5. Step 5: Solve for x
    x = 16,735,038,511.32/107,535.60
  6. Step 6: Final answer
    x = 155,623.24

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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.