Home / 98,932.04-147,515.57-87,941.96

Finding the Fourth Proportional to 98,932.04, 147,515.57 and 87,941.96

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Solution

The fourth proportional to 98,932.04, 147,515.57 and 87,941.96 is: 131,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.04 : 147,515.57 = 87,941.96 : x
  2. Step 2: Convert to fraction form
    98,932.04/147,515.57 = 87,941.96/x
  3. Step 3: Cross multiply
    98,932.04x = 147,515.57 × 87,941.96
  4. Step 4: Simplify right side
    98,932.04x = 12,972,808,356.32
  5. Step 5: Solve for x
    x = 12,972,808,356.32/98,932.04
  6. Step 6: Final answer
    x = 131,128.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.