Home / 157,112.24-235,705.26-51,931.22

Finding the Fourth Proportional to 157,112.24, 235,705.26 and 51,931.22

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Solution

The fourth proportional to 157,112.24, 235,705.26 and 51,931.22 is: 77,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,112.24 : 235,705.26 = 51,931.22 : x
  2. Step 2: Convert to fraction form
    157,112.24/235,705.26 = 51,931.22/x
  3. Step 3: Cross multiply
    157,112.24x = 235,705.26 × 51,931.22
  4. Step 4: Simplify right side
    157,112.24x = 12,240,460,533.69
  5. Step 5: Solve for x
    x = 12,240,460,533.69/157,112.24
  6. Step 6: Final answer
    x = 77,909.02

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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.