Home / 115,343.37-159,184.98-70,010.91

Finding the Fourth Proportional to 115,343.37, 159,184.98 and 70,010.91

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Solution

The fourth proportional to 115,343.37, 159,184.98 and 70,010.91 is: 96,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,343.37 : 159,184.98 = 70,010.91 : x
  2. Step 2: Convert to fraction form
    115,343.37/159,184.98 = 70,010.91/x
  3. Step 3: Cross multiply
    115,343.37x = 159,184.98 × 70,010.91
  4. Step 4: Simplify right side
    115,343.37x = 11,144,685,308.13
  5. Step 5: Solve for x
    x = 11,144,685,308.13/115,343.37
  6. Step 6: Final answer
    x = 96,621.81

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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.