Home / 131,396.35-181,326.93-70,966.98

Finding the Fourth Proportional to 131,396.35, 181,326.93 and 70,966.98

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Solution

The fourth proportional to 131,396.35, 181,326.93 and 70,966.98 is: 97,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,396.35 : 181,326.93 = 70,966.98 : x
  2. Step 2: Convert to fraction form
    131,396.35/181,326.93 = 70,966.98/x
  3. Step 3: Cross multiply
    131,396.35x = 181,326.93 × 70,966.98
  4. Step 4: Simplify right side
    131,396.35x = 12,868,224,614.77
  5. Step 5: Solve for x
    x = 12,868,224,614.77/131,396.35
  6. Step 6: Final answer
    x = 97,934.41

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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.