Home / 148,459.68-204,599.58-105,441.05

Finding the Fourth Proportional to 148,459.68, 204,599.58 and 105,441.05

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Solution

The fourth proportional to 148,459.68, 204,599.58 and 105,441.05 is: 145,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,459.68 : 204,599.58 = 105,441.05 : x
  2. Step 2: Convert to fraction form
    148,459.68/204,599.58 = 105,441.05/x
  3. Step 3: Cross multiply
    148,459.68x = 204,599.58 × 105,441.05
  4. Step 4: Simplify right side
    148,459.68x = 21,573,193,521.76
  5. Step 5: Solve for x
    x = 21,573,193,521.76/148,459.68
  6. Step 6: Final answer
    x = 145,313.49

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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.