Home / 233,345.16-321,995.55-129,971.44

Finding the Fourth Proportional to 233,345.16, 321,995.55 and 129,971.44

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Solution

The fourth proportional to 233,345.16, 321,995.55 and 129,971.44 is: 179,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,345.16 : 321,995.55 = 129,971.44 : x
  2. Step 2: Convert to fraction form
    233,345.16/321,995.55 = 129,971.44/x
  3. Step 3: Cross multiply
    233,345.16x = 321,995.55 × 129,971.44
  4. Step 4: Simplify right side
    233,345.16x = 41,850,225,307.09
  5. Step 5: Solve for x
    x = 41,850,225,307.09/233,345.16
  6. Step 6: Final answer
    x = 179,349.02

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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.