Home / 140,312.93-193,622.73-76,650.71

Finding the Fourth Proportional to 140,312.93, 193,622.73 and 76,650.71

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Solution

The fourth proportional to 140,312.93, 193,622.73 and 76,650.71 is: 105,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,312.93 : 193,622.73 = 76,650.71 : x
  2. Step 2: Convert to fraction form
    140,312.93/193,622.73 = 76,650.71/x
  3. Step 3: Cross multiply
    140,312.93x = 193,622.73 × 76,650.71
  4. Step 4: Simplify right side
    140,312.93x = 14,841,319,726.64
  5. Step 5: Solve for x
    x = 14,841,319,726.64/140,312.93
  6. Step 6: Final answer
    x = 105,773.00

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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.