Home / 140,447.50-193,802.34-83,088.96

Finding the Fourth Proportional to 140,447.50, 193,802.34 and 83,088.96

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Solution

The fourth proportional to 140,447.50, 193,802.34 and 83,088.96 is: 114,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,447.50 : 193,802.34 = 83,088.96 : x
  2. Step 2: Convert to fraction form
    140,447.50/193,802.34 = 83,088.96/x
  3. Step 3: Cross multiply
    140,447.50x = 193,802.34 × 83,088.96
  4. Step 4: Simplify right side
    140,447.50x = 16,102,834,876.17
  5. Step 5: Solve for x
    x = 16,102,834,876.17/140,447.50
  6. Step 6: Final answer
    x = 114,653.77

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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.