Home / 164,790.48-227,412.36-89,339.16

Finding the Fourth Proportional to 164,790.48, 227,412.36 and 89,339.16

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Solution

The fourth proportional to 164,790.48, 227,412.36 and 89,339.16 is: 123,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,790.48 : 227,412.36 = 89,339.16 : x
  2. Step 2: Convert to fraction form
    164,790.48/227,412.36 = 89,339.16/x
  3. Step 3: Cross multiply
    164,790.48x = 227,412.36 × 89,339.16
  4. Step 4: Simplify right side
    164,790.48x = 20,316,829,216.02
  5. Step 5: Solve for x
    x = 20,316,829,216.02/164,790.48
  6. Step 6: Final answer
    x = 123,288.85

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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.