Home / 102,622.60-153,933.90-88,798.60

Finding the Fourth Proportional to 102,622.60, 153,933.90 and 88,798.60

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Solution

The fourth proportional to 102,622.60, 153,933.90 and 88,798.60 is: 133,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,622.60 : 153,933.90 = 88,798.60 : x
  2. Step 2: Convert to fraction form
    102,622.60/153,933.90 = 88,798.60/x
  3. Step 3: Cross multiply
    102,622.60x = 153,933.90 × 88,798.60
  4. Step 4: Simplify right side
    102,622.60x = 13,669,114,812.54
  5. Step 5: Solve for x
    x = 13,669,114,812.54/102,622.60
  6. Step 6: Final answer
    x = 133,197.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.