Home / 238,970.36-329,611.16-157,272.58

Finding the Fourth Proportional to 238,970.36, 329,611.16 and 157,272.58

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Solution

The fourth proportional to 238,970.36, 329,611.16 and 157,272.58 is: 216,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,970.36 : 329,611.16 = 157,272.58 : x
  2. Step 2: Convert to fraction form
    238,970.36/329,611.16 = 157,272.58/x
  3. Step 3: Cross multiply
    238,970.36x = 329,611.16 × 157,272.58
  4. Step 4: Simplify right side
    238,970.36x = 51,838,797,529.99
  5. Step 5: Solve for x
    x = 51,838,797,529.99/238,970.36
  6. Step 6: Final answer
    x = 216,925.64

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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.