Home / 124,242.48-171,261-104,063.76

Finding the Fourth Proportional to 124,242.48, 171,261 and 104,063.76

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Solution

The fourth proportional to 124,242.48, 171,261 and 104,063.76 is: 143,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,242.48 : 171,261 = 104,063.76 : x
  2. Step 2: Convert to fraction form
    124,242.48/171,261 = 104,063.76/x
  3. Step 3: Cross multiply
    124,242.48x = 171,261 × 104,063.76
  4. Step 4: Simplify right side
    124,242.48x = 17,822,063,601.36
  5. Step 5: Solve for x
    x = 17,822,063,601.36/124,242.48
  6. Step 6: Final answer
    x = 143,445.81

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1.5x scale

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.