Home / 230,566.51-318,182.35-128,598.58

Finding the Fourth Proportional to 230,566.51, 318,182.35 and 128,598.58

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Solution

The fourth proportional to 230,566.51, 318,182.35 and 128,598.58 is: 177,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,566.51 : 318,182.35 = 128,598.58 : x
  2. Step 2: Convert to fraction form
    230,566.51/318,182.35 = 128,598.58/x
  3. Step 3: Cross multiply
    230,566.51x = 318,182.35 × 128,598.58
  4. Step 4: Simplify right side
    230,566.51x = 40,917,796,800.15
  5. Step 5: Solve for x
    x = 40,917,796,800.15/230,566.51
  6. Step 6: Final answer
    x = 177,466.35

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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.