Home / 153,788.15-230,715.66-47,172.53

Finding the Fourth Proportional to 153,788.15, 230,715.66 and 47,172.53

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Solution

The fourth proportional to 153,788.15, 230,715.66 and 47,172.53 is: 70,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,788.15 : 230,715.66 = 47,172.53 : x
  2. Step 2: Convert to fraction form
    153,788.15/230,715.66 = 47,172.53/x
  3. Step 3: Cross multiply
    153,788.15x = 230,715.66 × 47,172.53
  4. Step 4: Simplify right side
    153,788.15x = 10,883,441,392.82
  5. Step 5: Solve for x
    x = 10,883,441,392.82/153,788.15
  6. Step 6: Final answer
    x = 70,769.05

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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.