Home / 142,058.55-196,114.53-103,775.13

Finding the Fourth Proportional to 142,058.55, 196,114.53 and 103,775.13

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Solution

The fourth proportional to 142,058.55, 196,114.53 and 103,775.13 is: 143,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,058.55 : 196,114.53 = 103,775.13 : x
  2. Step 2: Convert to fraction form
    142,058.55/196,114.53 = 103,775.13/x
  3. Step 3: Cross multiply
    142,058.55x = 196,114.53 × 103,775.13
  4. Step 4: Simplify right side
    142,058.55x = 20,351,810,845.64
  5. Step 5: Solve for x
    x = 20,351,810,845.64/142,058.55
  6. Step 6: Final answer
    x = 143,263.54

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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.