Home / 103,486.07-155,920.62-93,502.42

Finding the Fourth Proportional to 103,486.07, 155,920.62 and 93,502.42

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Solution

The fourth proportional to 103,486.07, 155,920.62 and 93,502.42 is: 140,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486.07 : 155,920.62 = 93,502.42 : x
  2. Step 2: Convert to fraction form
    103,486.07/155,920.62 = 93,502.42/x
  3. Step 3: Cross multiply
    103,486.07x = 155,920.62 × 93,502.42
  4. Step 4: Simplify right side
    103,486.07x = 14,578,955,297.90
  5. Step 5: Solve for x
    x = 14,578,955,297.90/103,486.07
  6. Step 6: Final answer
    x = 140,878.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.