Home / 233,686.08-322,400.16-162,129.60

Finding the Fourth Proportional to 233,686.08, 322,400.16 and 162,129.60

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Solution

The fourth proportional to 233,686.08, 322,400.16 and 162,129.60 is: 223,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,686.08 : 322,400.16 = 162,129.60 : x
  2. Step 2: Convert to fraction form
    233,686.08/322,400.16 = 162,129.60/x
  3. Step 3: Cross multiply
    233,686.08x = 322,400.16 × 162,129.60
  4. Step 4: Simplify right side
    233,686.08x = 52,270,608,980.74
  5. Step 5: Solve for x
    x = 52,270,608,980.74/233,686.08
  6. Step 6: Final answer
    x = 223,678.74

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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.