Home / 147,575.61-221,405.94-72,718.26

Finding the Fourth Proportional to 147,575.61, 221,405.94 and 72,718.26

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Solution

The fourth proportional to 147,575.61, 221,405.94 and 72,718.26 is: 109,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,575.61 : 221,405.94 = 72,718.26 : x
  2. Step 2: Convert to fraction form
    147,575.61/221,405.94 = 72,718.26/x
  3. Step 3: Cross multiply
    147,575.61x = 221,405.94 × 72,718.26
  4. Step 4: Simplify right side
    147,575.61x = 16,100,254,710.46
  5. Step 5: Solve for x
    x = 16,100,254,710.46/147,575.61
  6. Step 6: Final answer
    x = 109,098.34

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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.