Home / 99,004.40-148,506.60-86,716.40

Finding the Fourth Proportional to 99,004.40, 148,506.60 and 86,716.40

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Solution

The fourth proportional to 99,004.40, 148,506.60 and 86,716.40 is: 130,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.40 : 148,506.60 = 86,716.40 : x
  2. Step 2: Convert to fraction form
    99,004.40/148,506.60 = 86,716.40/x
  3. Step 3: Cross multiply
    99,004.40x = 148,506.60 × 86,716.40
  4. Step 4: Simplify right side
    99,004.40x = 12,877,957,728.24
  5. Step 5: Solve for x
    x = 12,877,957,728.24/99,004.40
  6. Step 6: Final answer
    x = 130,074.60

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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.