Home / 148,785.96-205,421.70-92,280.36

Finding the Fourth Proportional to 148,785.96, 205,421.70 and 92,280.36

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Solution

The fourth proportional to 148,785.96, 205,421.70 and 92,280.36 is: 127,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,785.96 : 205,421.70 = 92,280.36 : x
  2. Step 2: Convert to fraction form
    148,785.96/205,421.70 = 92,280.36/x
  3. Step 3: Cross multiply
    148,785.96x = 205,421.70 × 92,280.36
  4. Step 4: Simplify right side
    148,785.96x = 18,956,388,427.81
  5. Step 5: Solve for x
    x = 18,956,388,427.81/148,785.96
  6. Step 6: Final answer
    x = 127,407.10

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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.