Home / 124,174.34-171,364.30-76,455.22

Finding the Fourth Proportional to 124,174.34, 171,364.30 and 76,455.22

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Solution

The fourth proportional to 124,174.34, 171,364.30 and 76,455.22 is: 105,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,174.34 : 171,364.30 = 76,455.22 : x
  2. Step 2: Convert to fraction form
    124,174.34/171,364.30 = 76,455.22/x
  3. Step 3: Cross multiply
    124,174.34x = 171,364.30 × 76,455.22
  4. Step 4: Simplify right side
    124,174.34x = 13,101,695,256.65
  5. Step 5: Solve for x
    x = 13,101,695,256.65/124,174.34
  6. Step 6: Final answer
    x = 105,510.49

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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.