Home / 164,487.78-226,993.86-89,036.28

Finding the Fourth Proportional to 164,487.78, 226,993.86 and 89,036.28

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Solution

The fourth proportional to 164,487.78, 226,993.86 and 89,036.28 is: 122,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,487.78 : 226,993.86 = 89,036.28 : x
  2. Step 2: Convert to fraction form
    164,487.78/226,993.86 = 89,036.28/x
  3. Step 3: Cross multiply
    164,487.78x = 226,993.86 × 89,036.28
  4. Step 4: Simplify right side
    164,487.78x = 20,210,688,877.24
  5. Step 5: Solve for x
    x = 20,210,688,877.24/164,487.78
  6. Step 6: Final answer
    x = 122,870.46

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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.