Home / 157,203.52-216,935.44-85,582.24

Finding the Fourth Proportional to 157,203.52, 216,935.44 and 85,582.24

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Solution

The fourth proportional to 157,203.52, 216,935.44 and 85,582.24 is: 118,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,203.52 : 216,935.44 = 85,582.24 : x
  2. Step 2: Convert to fraction form
    157,203.52/216,935.44 = 85,582.24/x
  3. Step 3: Cross multiply
    157,203.52x = 216,935.44 × 85,582.24
  4. Step 4: Simplify right side
    157,203.52x = 18,565,820,890.59
  5. Step 5: Solve for x
    x = 18,565,820,890.59/157,203.52
  6. Step 6: Final answer
    x = 118,100.54

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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.