Home / 131,777.48-181,852.66-71,348.18

Finding the Fourth Proportional to 131,777.48, 181,852.66 and 71,348.18

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Solution

The fourth proportional to 131,777.48, 181,852.66 and 71,348.18 is: 98,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,777.48 : 181,852.66 = 71,348.18 : x
  2. Step 2: Convert to fraction form
    131,777.48/181,852.66 = 71,348.18/x
  3. Step 3: Cross multiply
    131,777.48x = 181,852.66 × 71,348.18
  4. Step 4: Simplify right side
    131,777.48x = 12,974,855,499.08
  5. Step 5: Solve for x
    x = 12,974,855,499.08/131,777.48
  6. Step 6: Final answer
    x = 98,460.34

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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.