Home / 152,063.10-209,838.05-84,074.73

Finding the Fourth Proportional to 152,063.10, 209,838.05 and 84,074.73

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Solution

The fourth proportional to 152,063.10, 209,838.05 and 84,074.73 is: 116,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,063.10 : 209,838.05 = 84,074.73 : x
  2. Step 2: Convert to fraction form
    152,063.10/209,838.05 = 84,074.73/x
  3. Step 3: Cross multiply
    152,063.10x = 209,838.05 × 84,074.73
  4. Step 4: Simplify right side
    152,063.10x = 17,642,077,501.70
  5. Step 5: Solve for x
    x = 17,642,077,501.70/152,063.10
  6. Step 6: Final answer
    x = 116,018.14

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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.