Home / 153,546.24-230,240.64-70,368

Finding the Fourth Proportional to 153,546.24, 230,240.64 and 70,368

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Solution

The fourth proportional to 153,546.24, 230,240.64 and 70,368 is: 105,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,546.24 : 230,240.64 = 70,368 : x
  2. Step 2: Convert to fraction form
    153,546.24/230,240.64 = 70,368/x
  3. Step 3: Cross multiply
    153,546.24x = 230,240.64 × 70,368
  4. Step 4: Simplify right side
    153,546.24x = 16,201,573,355.52
  5. Step 5: Solve for x
    x = 16,201,573,355.52/153,546.24
  6. Step 6: Final answer
    x = 105,515.92

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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.