Home / 147,915.92-203,924.99-96,840.36

Finding the Fourth Proportional to 147,915.92, 203,924.99 and 96,840.36

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Solution

The fourth proportional to 147,915.92, 203,924.99 and 96,840.36 is: 133,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,915.92 : 203,924.99 = 96,840.36 : x
  2. Step 2: Convert to fraction form
    147,915.92/203,924.99 = 96,840.36/x
  3. Step 3: Cross multiply
    147,915.92x = 203,924.99 × 96,840.36
  4. Step 4: Simplify right side
    147,915.92x = 19,748,169,686.70
  5. Step 5: Solve for x
    x = 19,748,169,686.70/147,915.92
  6. Step 6: Final answer
    x = 133,509.42

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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.