Home / 157,589.70-217,465.34-89,597.36

Finding the Fourth Proportional to 157,589.70, 217,465.34 and 89,597.36

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Solution

The fourth proportional to 157,589.70, 217,465.34 and 89,597.36 is: 123,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,589.70 : 217,465.34 = 89,597.36 : x
  2. Step 2: Convert to fraction form
    157,589.70/217,465.34 = 89,597.36/x
  3. Step 3: Cross multiply
    157,589.70x = 217,465.34 × 89,597.36
  4. Step 4: Simplify right side
    157,589.70x = 19,484,318,820.19
  5. Step 5: Solve for x
    x = 19,484,318,820.19/157,589.70
  6. Step 6: Final answer
    x = 123,639.55

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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.