Home / 102,360.14-141,258-59,919.56

Finding the Fourth Proportional to 102,360.14, 141,258 and 59,919.56

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Solution

The fourth proportional to 102,360.14, 141,258 and 59,919.56 is: 82,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,360.14 : 141,258 = 59,919.56 : x
  2. Step 2: Convert to fraction form
    102,360.14/141,258 = 59,919.56/x
  3. Step 3: Cross multiply
    102,360.14x = 141,258 × 59,919.56
  4. Step 4: Simplify right side
    102,360.14x = 8,464,117,206.48
  5. Step 5: Solve for x
    x = 8,464,117,206.48/102,360.14
  6. Step 6: Final answer
    x = 82,689.58

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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.