Home / 154,515.58-213,252.66-93,264.94

Finding the Fourth Proportional to 154,515.58, 213,252.66 and 93,264.94

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Solution

The fourth proportional to 154,515.58, 213,252.66 and 93,264.94 is: 128,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,515.58 : 213,252.66 = 93,264.94 : x
  2. Step 2: Convert to fraction form
    154,515.58/213,252.66 = 93,264.94/x
  3. Step 3: Cross multiply
    154,515.58x = 213,252.66 × 93,264.94
  4. Step 4: Simplify right side
    154,515.58x = 19,888,996,539.74
  5. Step 5: Solve for x
    x = 19,888,996,539.74/154,515.58
  6. Step 6: Final answer
    x = 128,718.39

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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.