Home / 148,144.02-204,403.06-89,999.06

Finding the Fourth Proportional to 148,144.02, 204,403.06 and 89,999.06

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Solution

The fourth proportional to 148,144.02, 204,403.06 and 89,999.06 is: 124,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,144.02 : 204,403.06 = 89,999.06 : x
  2. Step 2: Convert to fraction form
    148,144.02/204,403.06 = 89,999.06/x
  3. Step 3: Cross multiply
    148,144.02x = 204,403.06 × 89,999.06
  4. Step 4: Simplify right side
    148,144.02x = 18,396,083,547.13
  5. Step 5: Solve for x
    x = 18,396,083,547.13/148,144.02
  6. Step 6: Final answer
    x = 124,177.02

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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.