Home / 129,111.87-193,492.67-62,419.17

Finding the Fourth Proportional to 129,111.87, 193,492.67 and 62,419.17

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Solution

The fourth proportional to 129,111.87, 193,492.67 and 62,419.17 is: 93,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,111.87 : 193,492.67 = 62,419.17 : x
  2. Step 2: Convert to fraction form
    129,111.87/193,492.67 = 62,419.17/x
  3. Step 3: Cross multiply
    129,111.87x = 193,492.67 × 62,419.17
  4. Step 4: Simplify right side
    129,111.87x = 12,077,651,550.39
  5. Step 5: Solve for x
    x = 12,077,651,550.39/129,111.87
  6. Step 6: Final answer
    x = 93,544.08

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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.