Home / 148,437.36-204,850.22-105,462.81

Finding the Fourth Proportional to 148,437.36, 204,850.22 and 105,462.81

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Solution

The fourth proportional to 148,437.36, 204,850.22 and 105,462.81 is: 145,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,437.36 : 204,850.22 = 105,462.81 : x
  2. Step 2: Convert to fraction form
    148,437.36/204,850.22 = 105,462.81/x
  3. Step 3: Cross multiply
    148,437.36x = 204,850.22 × 105,462.81
  4. Step 4: Simplify right side
    148,437.36x = 21,604,079,303.00
  5. Step 5: Solve for x
    x = 21,604,079,303.00/148,437.36
  6. Step 6: Final answer
    x = 145,543.41

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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.