Home / 152,788.50-210,848.40-84,803.04

Finding the Fourth Proportional to 152,788.50, 210,848.40 and 84,803.04

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Solution

The fourth proportional to 152,788.50, 210,848.40 and 84,803.04 is: 117,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,788.50 : 210,848.40 = 84,803.04 : x
  2. Step 2: Convert to fraction form
    152,788.50/210,848.40 = 84,803.04/x
  3. Step 3: Cross multiply
    152,788.50x = 210,848.40 × 84,803.04
  4. Step 4: Simplify right side
    152,788.50x = 17,880,585,299.14
  5. Step 5: Solve for x
    x = 17,880,585,299.14/152,788.50
  6. Step 6: Final answer
    x = 117,028.35

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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.