Home / 102,535.36-141,493.08-64,296.56

Finding the Fourth Proportional to 102,535.36, 141,493.08 and 64,296.56

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Solution

The fourth proportional to 102,535.36, 141,493.08 and 64,296.56 is: 88,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,535.36 : 141,493.08 = 64,296.56 : x
  2. Step 2: Convert to fraction form
    102,535.36/141,493.08 = 64,296.56/x
  3. Step 3: Cross multiply
    102,535.36x = 141,493.08 × 64,296.56
  4. Step 4: Simplify right side
    102,535.36x = 9,097,518,307.80
  5. Step 5: Solve for x
    x = 9,097,518,307.80/102,535.36
  6. Step 6: Final answer
    x = 88,725.67

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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.