Home / 255,258.74-382,888.02-68,265.38

Finding the Fourth Proportional to 255,258.74, 382,888.02 and 68,265.38

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Solution

The fourth proportional to 255,258.74, 382,888.02 and 68,265.38 is: 102,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,258.74 : 382,888.02 = 68,265.38 : x
  2. Step 2: Convert to fraction form
    255,258.74/382,888.02 = 68,265.38/x
  3. Step 3: Cross multiply
    255,258.74x = 382,888.02 × 68,265.38
  4. Step 4: Simplify right side
    255,258.74x = 26,137,996,182.75
  5. Step 5: Solve for x
    x = 26,137,996,182.75/255,258.74
  6. Step 6: Final answer
    x = 102,398.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.