Home / 131,453.51-181,405.91-71,024.13

Finding the Fourth Proportional to 131,453.51, 181,405.91 and 71,024.13

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Solution

The fourth proportional to 131,453.51, 181,405.91 and 71,024.13 is: 98,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,453.51 : 181,405.91 = 71,024.13 : x
  2. Step 2: Convert to fraction form
    131,453.51/181,405.91 = 71,024.13/x
  3. Step 3: Cross multiply
    131,453.51x = 181,405.91 × 71,024.13
  4. Step 4: Simplify right side
    131,453.51x = 12,884,197,112.17
  5. Step 5: Solve for x
    x = 12,884,197,112.17/131,453.51
  6. Step 6: Final answer
    x = 98,013.34

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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.