Home / 147,340.63-221,009.32-88,192.81

Finding the Fourth Proportional to 147,340.63, 221,009.32 and 88,192.81

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Solution

The fourth proportional to 147,340.63, 221,009.32 and 88,192.81 is: 132,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,340.63 : 221,009.32 = 88,192.81 : x
  2. Step 2: Convert to fraction form
    147,340.63/221,009.32 = 88,192.81/x
  3. Step 3: Cross multiply
    147,340.63x = 221,009.32 × 88,192.81
  4. Step 4: Simplify right side
    147,340.63x = 19,491,432,966.99
  5. Step 5: Solve for x
    x = 19,491,432,966.99/147,340.63
  6. Step 6: Final answer
    x = 132,288.24

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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.