Home / 257,431.59-355,182.17-148,527.32

Finding the Fourth Proportional to 257,431.59, 355,182.17 and 148,527.32

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Solution

The fourth proportional to 257,431.59, 355,182.17 and 148,527.32 is: 204,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,431.59 : 355,182.17 = 148,527.32 : x
  2. Step 2: Convert to fraction form
    257,431.59/355,182.17 = 148,527.32/x
  3. Step 3: Cross multiply
    257,431.59x = 355,182.17 × 148,527.32
  4. Step 4: Simplify right side
    257,431.59x = 52,754,253,303.34
  5. Step 5: Solve for x
    x = 52,754,253,303.34/257,431.59
  6. Step 6: Final answer
    x = 204,925.33

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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.