Home / 131,424.44-181,365.57-70,995.07

Finding the Fourth Proportional to 131,424.44, 181,365.57 and 70,995.07

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Solution

The fourth proportional to 131,424.44, 181,365.57 and 70,995.07 is: 97,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.44 : 181,365.57 = 70,995.07 : x
  2. Step 2: Convert to fraction form
    131,424.44/181,365.57 = 70,995.07/x
  3. Step 3: Cross multiply
    131,424.44x = 181,365.57 × 70,995.07
  4. Step 4: Simplify right side
    131,424.44x = 12,876,061,337.74
  5. Step 5: Solve for x
    x = 12,876,061,337.74/131,424.44
  6. Step 6: Final answer
    x = 97,973.11

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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.