Home / 100,450.04-149,954.48-93,451.64

Finding the Fourth Proportional to 100,450.04, 149,954.48 and 93,451.64

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Solution

The fourth proportional to 100,450.04, 149,954.48 and 93,451.64 is: 139,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,450.04 : 149,954.48 = 93,451.64 : x
  2. Step 2: Convert to fraction form
    100,450.04/149,954.48 = 93,451.64/x
  3. Step 3: Cross multiply
    100,450.04x = 149,954.48 × 93,451.64
  4. Step 4: Simplify right side
    100,450.04x = 14,013,492,081.35
  5. Step 5: Solve for x
    x = 14,013,492,081.35/100,450.04
  6. Step 6: Final answer
    x = 139,507.08

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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.