Home / 128,832.98-193,071.27-93,008.66

Finding the Fourth Proportional to 128,832.98, 193,071.27 and 93,008.66

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Solution

The fourth proportional to 128,832.98, 193,071.27 and 93,008.66 is: 139,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,832.98 : 193,071.27 = 93,008.66 : x
  2. Step 2: Convert to fraction form
    128,832.98/193,071.27 = 93,008.66/x
  3. Step 3: Cross multiply
    128,832.98x = 193,071.27 × 93,008.66
  4. Step 4: Simplify right side
    128,832.98x = 17,957,300,107.20
  5. Step 5: Solve for x
    x = 17,957,300,107.20/128,832.98
  6. Step 6: Final answer
    x = 139,384.34

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1.5x scale

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.