Home / 157,130.19-235,717.43-50,478.39

Finding the Fourth Proportional to 157,130.19, 235,717.43 and 50,478.39

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Solution

The fourth proportional to 157,130.19, 235,717.43 and 50,478.39 is: 75,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,130.19 : 235,717.43 = 50,478.39 : x
  2. Step 2: Convert to fraction form
    157,130.19/235,717.43 = 50,478.39/x
  3. Step 3: Cross multiply
    157,130.19x = 235,717.43 × 50,478.39
  4. Step 4: Simplify right side
    157,130.19x = 11,898,636,108.95
  5. Step 5: Solve for x
    x = 11,898,636,108.95/157,130.19
  6. Step 6: Final answer
    x = 75,724.70

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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.