Home / 157,895.40-217,871.86-89,914.94

Finding the Fourth Proportional to 157,895.40, 217,871.86 and 89,914.94

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Solution

The fourth proportional to 157,895.40, 217,871.86 and 89,914.94 is: 124,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,895.40 : 217,871.86 = 89,914.94 : x
  2. Step 2: Convert to fraction form
    157,895.40/217,871.86 = 89,914.94/x
  3. Step 3: Cross multiply
    157,895.40x = 217,871.86 × 89,914.94
  4. Step 4: Simplify right side
    157,895.40x = 19,589,935,219.59
  5. Step 5: Solve for x
    x = 19,589,935,219.59/157,895.40
  6. Step 6: Final answer
    x = 124,069.07

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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.