Home / 157,110.90-235,663.16-38,783.26

Finding the Fourth Proportional to 157,110.90, 235,663.16 and 38,783.26

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Solution

The fourth proportional to 157,110.90, 235,663.16 and 38,783.26 is: 58,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,110.90 : 235,663.16 = 38,783.26 : x
  2. Step 2: Convert to fraction form
    157,110.90/235,663.16 = 38,783.26/x
  3. Step 3: Cross multiply
    157,110.90x = 235,663.16 × 38,783.26
  4. Step 4: Simplify right side
    157,110.90x = 9,139,785,606.70
  5. Step 5: Solve for x
    x = 9,139,785,606.70/157,110.90
  6. Step 6: Final answer
    x = 58,174.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.