Home / 129,363.57-193,814.50-70,161.48

Finding the Fourth Proportional to 129,363.57, 193,814.50 and 70,161.48

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Solution

The fourth proportional to 129,363.57, 193,814.50 and 70,161.48 is: 105,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,363.57 : 193,814.50 = 70,161.48 : x
  2. Step 2: Convert to fraction form
    129,363.57/193,814.50 = 70,161.48/x
  3. Step 3: Cross multiply
    129,363.57x = 193,814.50 × 70,161.48
  4. Step 4: Simplify right side
    129,363.57x = 13,598,312,165.46
  5. Step 5: Solve for x
    x = 13,598,312,165.46/129,363.57
  6. Step 6: Final answer
    x = 105,117.01

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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.