Home / 149,220.51-223,929.18-70,342.71

Finding the Fourth Proportional to 149,220.51, 223,929.18 and 70,342.71

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Solution

The fourth proportional to 149,220.51, 223,929.18 and 70,342.71 is: 105,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,220.51 : 223,929.18 = 70,342.71 : x
  2. Step 2: Convert to fraction form
    149,220.51/223,929.18 = 70,342.71/x
  3. Step 3: Cross multiply
    149,220.51x = 223,929.18 × 70,342.71
  4. Step 4: Simplify right side
    149,220.51x = 15,751,785,369.28
  5. Step 5: Solve for x
    x = 15,751,785,369.28/149,220.51
  6. Step 6: Final answer
    x = 105,560.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.