Home / 147,405.79-221,108.55-46,204.57

Finding the Fourth Proportional to 147,405.79, 221,108.55 and 46,204.57

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Solution

The fourth proportional to 147,405.79, 221,108.55 and 46,204.57 is: 69,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,405.79 : 221,108.55 = 46,204.57 : x
  2. Step 2: Convert to fraction form
    147,405.79/221,108.55 = 46,204.57/x
  3. Step 3: Cross multiply
    147,405.79x = 221,108.55 × 46,204.57
  4. Step 4: Simplify right side
    147,405.79x = 10,216,225,476.07
  5. Step 5: Solve for x
    x = 10,216,225,476.07/147,405.79
  6. Step 6: Final answer
    x = 69,306.81

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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.