Home / 157,825.40-217,572.48-97,355.28

Finding the Fourth Proportional to 157,825.40, 217,572.48 and 97,355.28

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Solution

The fourth proportional to 157,825.40, 217,572.48 and 97,355.28 is: 134,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,825.40 : 217,572.48 = 97,355.28 : x
  2. Step 2: Convert to fraction form
    157,825.40/217,572.48 = 97,355.28/x
  3. Step 3: Cross multiply
    157,825.40x = 217,572.48 × 97,355.28
  4. Step 4: Simplify right side
    157,825.40x = 21,181,829,710.69
  5. Step 5: Solve for x
    x = 21,181,829,710.69/157,825.40
  6. Step 6: Final answer
    x = 134,210.52

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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.