Home / 152,363.25-210,191.51-98,665.57

Finding the Fourth Proportional to 152,363.25, 210,191.51 and 98,665.57

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Solution

The fourth proportional to 152,363.25, 210,191.51 and 98,665.57 is: 136,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,363.25 : 210,191.51 = 98,665.57 : x
  2. Step 2: Convert to fraction form
    152,363.25/210,191.51 = 98,665.57/x
  3. Step 3: Cross multiply
    152,363.25x = 210,191.51 × 98,665.57
  4. Step 4: Simplify right side
    152,363.25x = 20,738,664,506.56
  5. Step 5: Solve for x
    x = 20,738,664,506.56/152,363.25
  6. Step 6: Final answer
    x = 136,113.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.