Home / 112,840.73-155,665.09-94,929.20

Finding the Fourth Proportional to 112,840.73, 155,665.09 and 94,929.20

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Solution

The fourth proportional to 112,840.73, 155,665.09 and 94,929.20 is: 130,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,840.73 : 155,665.09 = 94,929.20 : x
  2. Step 2: Convert to fraction form
    112,840.73/155,665.09 = 94,929.20/x
  3. Step 3: Cross multiply
    112,840.73x = 155,665.09 × 94,929.20
  4. Step 4: Simplify right side
    112,840.73x = 14,777,162,461.63
  5. Step 5: Solve for x
    x = 14,777,162,461.63/112,840.73
  6. Step 6: Final answer
    x = 130,955.93

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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.