Home / 140,333.72-193,663.32-76,675.46

Finding the Fourth Proportional to 140,333.72, 193,663.32 and 76,675.46

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Solution

The fourth proportional to 140,333.72, 193,663.32 and 76,675.46 is: 105,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.72 : 193,663.32 = 76,675.46 : x
  2. Step 2: Convert to fraction form
    140,333.72/193,663.32 = 76,675.46/x
  3. Step 3: Cross multiply
    140,333.72x = 193,663.32 × 76,675.46
  4. Step 4: Simplify right side
    140,333.72x = 14,849,224,146.13
  5. Step 5: Solve for x
    x = 14,849,224,146.13/140,333.72
  6. Step 6: Final answer
    x = 105,813.66

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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.