Home / 157,599.70-217,479.09-89,607.30

Finding the Fourth Proportional to 157,599.70, 217,479.09 and 89,607.30

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Solution

The fourth proportional to 157,599.70, 217,479.09 and 89,607.30 is: 123,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599.70 : 217,479.09 = 89,607.30 : x
  2. Step 2: Convert to fraction form
    157,599.70/217,479.09 = 89,607.30/x
  3. Step 3: Cross multiply
    157,599.70x = 217,479.09 × 89,607.30
  4. Step 4: Simplify right side
    157,599.70x = 19,487,714,061.36
  5. Step 5: Solve for x
    x = 19,487,714,061.36/157,599.70
  6. Step 6: Final answer
    x = 123,653.24

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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.