Home / 236,130.02-325,861.02-128,699.72

Finding the Fourth Proportional to 236,130.02, 325,861.02 and 128,699.72

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Solution

The fourth proportional to 236,130.02, 325,861.02 and 128,699.72 is: 177,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,130.02 : 325,861.02 = 128,699.72 : x
  2. Step 2: Convert to fraction form
    236,130.02/325,861.02 = 128,699.72/x
  3. Step 3: Cross multiply
    236,130.02x = 325,861.02 × 128,699.72
  4. Step 4: Simplify right side
    236,130.02x = 41,938,222,032.91
  5. Step 5: Solve for x
    x = 41,938,222,032.91/236,130.02
  6. Step 6: Final answer
    x = 177,606.48

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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.