Home / 102,416.81-141,214.30-70,166.89

Finding the Fourth Proportional to 102,416.81, 141,214.30 and 70,166.89

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Solution

The fourth proportional to 102,416.81, 141,214.30 and 70,166.89 is: 96,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,416.81 : 141,214.30 = 70,166.89 : x
  2. Step 2: Convert to fraction form
    102,416.81/141,214.30 = 70,166.89/x
  3. Step 3: Cross multiply
    102,416.81x = 141,214.30 × 70,166.89
  4. Step 4: Simplify right side
    102,416.81x = 9,908,568,254.53
  5. Step 5: Solve for x
    x = 9,908,568,254.53/102,416.81
  6. Step 6: Final answer
    x = 96,747.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.