Home / 257,732.48-355,554.26-167,111.40

Finding the Fourth Proportional to 257,732.48, 355,554.26 and 167,111.40

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Solution

The fourth proportional to 257,732.48, 355,554.26 and 167,111.40 is: 230,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,732.48 : 355,554.26 = 167,111.40 : x
  2. Step 2: Convert to fraction form
    257,732.48/355,554.26 = 167,111.40/x
  3. Step 3: Cross multiply
    257,732.48x = 355,554.26 × 167,111.40
  4. Step 4: Simplify right side
    257,732.48x = 59,417,171,289.00
  5. Step 5: Solve for x
    x = 59,417,171,289.00/257,732.48
  6. Step 6: Final answer
    x = 230,538.16

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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.