Home / 139,897.44-193,058.47-76,235.22

Finding the Fourth Proportional to 139,897.44, 193,058.47 and 76,235.22

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Solution

The fourth proportional to 139,897.44, 193,058.47 and 76,235.22 is: 105,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,897.44 : 193,058.47 = 76,235.22 : x
  2. Step 2: Convert to fraction form
    139,897.44/193,058.47 = 76,235.22/x
  3. Step 3: Cross multiply
    139,897.44x = 193,058.47 × 76,235.22
  4. Step 4: Simplify right side
    139,897.44x = 14,717,853,777.43
  5. Step 5: Solve for x
    x = 14,717,853,777.43/139,897.44
  6. Step 6: Final answer
    x = 105,204.60

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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.