Home / 129,212.07-193,701.33-46,086.63

Finding the Fourth Proportional to 129,212.07, 193,701.33 and 46,086.63

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Solution

The fourth proportional to 129,212.07, 193,701.33 and 46,086.63 is: 69,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,212.07 : 193,701.33 = 46,086.63 : x
  2. Step 2: Convert to fraction form
    129,212.07/193,701.33 = 46,086.63/x
  3. Step 3: Cross multiply
    129,212.07x = 193,701.33 × 46,086.63
  4. Step 4: Simplify right side
    129,212.07x = 8,927,041,526.22
  5. Step 5: Solve for x
    x = 8,927,041,526.22/129,212.07
  6. Step 6: Final answer
    x = 69,088.29

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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.