Home / 157,582.87-217,455.54-89,590.25

Finding the Fourth Proportional to 157,582.87, 217,455.54 and 89,590.25

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Solution

The fourth proportional to 157,582.87, 217,455.54 and 89,590.25 is: 123,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,582.87 : 217,455.54 = 89,590.25 : x
  2. Step 2: Convert to fraction form
    157,582.87/217,455.54 = 89,590.25/x
  3. Step 3: Cross multiply
    157,582.87x = 217,455.54 × 89,590.25
  4. Step 4: Simplify right side
    157,582.87x = 19,481,896,400.16
  5. Step 5: Solve for x
    x = 19,481,896,400.16/157,582.87
  6. Step 6: Final answer
    x = 123,629.53

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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.