Home / 102,880.26-141,911.19-70,600.14

Finding the Fourth Proportional to 102,880.26, 141,911.19 and 70,600.14

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Solution

The fourth proportional to 102,880.26, 141,911.19 and 70,600.14 is: 97,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,880.26 : 141,911.19 = 70,600.14 : x
  2. Step 2: Convert to fraction form
    102,880.26/141,911.19 = 70,600.14/x
  3. Step 3: Cross multiply
    102,880.26x = 141,911.19 × 70,600.14
  4. Step 4: Simplify right side
    102,880.26x = 10,018,949,881.57
  5. Step 5: Solve for x
    x = 10,018,949,881.57/102,880.26
  6. Step 6: Final answer
    x = 97,384.57

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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.