Home / 148,938.04-205,550.70-85,296.76

Finding the Fourth Proportional to 148,938.04, 205,550.70 and 85,296.76

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Solution

The fourth proportional to 148,938.04, 205,550.70 and 85,296.76 is: 117,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,938.04 : 205,550.70 = 85,296.76 : x
  2. Step 2: Convert to fraction form
    148,938.04/205,550.70 = 85,296.76/x
  3. Step 3: Cross multiply
    148,938.04x = 205,550.70 × 85,296.76
  4. Step 4: Simplify right side
    148,938.04x = 17,532,808,725.73
  5. Step 5: Solve for x
    x = 17,532,808,725.73/148,938.04
  6. Step 6: Final answer
    x = 117,718.81

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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.