Home / 163,055.42-225,018.80-98,515.70

Finding the Fourth Proportional to 163,055.42, 225,018.80 and 98,515.70

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Solution

The fourth proportional to 163,055.42, 225,018.80 and 98,515.70 is: 135,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,055.42 : 225,018.80 = 98,515.70 : x
  2. Step 2: Convert to fraction form
    163,055.42/225,018.80 = 98,515.70/x
  3. Step 3: Cross multiply
    163,055.42x = 225,018.80 × 98,515.70
  4. Step 4: Simplify right side
    163,055.42x = 22,167,883,716.36
  5. Step 5: Solve for x
    x = 22,167,883,716.36/163,055.42
  6. Step 6: Final answer
    x = 135,953.07

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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.