Home / 261,591.36-360,989.28-152,716.56

Finding the Fourth Proportional to 261,591.36, 360,989.28 and 152,716.56

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Solution

The fourth proportional to 261,591.36, 360,989.28 and 152,716.56 is: 210,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,591.36 : 360,989.28 = 152,716.56 : x
  2. Step 2: Convert to fraction form
    261,591.36/360,989.28 = 152,716.56/x
  3. Step 3: Cross multiply
    261,591.36x = 360,989.28 × 152,716.56
  4. Step 4: Simplify right side
    261,591.36x = 55,129,041,038.48
  5. Step 5: Solve for x
    x = 55,129,041,038.48/261,591.36
  6. Step 6: Final answer
    x = 210,744.88

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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.