Home / 157,032.60-216,628.68-93,325.32

Finding the Fourth Proportional to 157,032.60, 216,628.68 and 93,325.32

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Solution

The fourth proportional to 157,032.60, 216,628.68 and 93,325.32 is: 128,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,032.60 : 216,628.68 = 93,325.32 : x
  2. Step 2: Convert to fraction form
    157,032.60/216,628.68 = 93,325.32/x
  3. Step 3: Cross multiply
    157,032.60x = 216,628.68 × 93,325.32
  4. Step 4: Simplify right side
    157,032.60x = 20,216,940,882.18
  5. Step 5: Solve for x
    x = 20,216,940,882.18/157,032.60
  6. Step 6: Final answer
    x = 128,743.59

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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.