Home / 124,810.08-172,353.52-80,176.48

Finding the Fourth Proportional to 124,810.08, 172,353.52 and 80,176.48

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Solution

The fourth proportional to 124,810.08, 172,353.52 and 80,176.48 is: 110,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810.08 : 172,353.52 = 80,176.48 : x
  2. Step 2: Convert to fraction form
    124,810.08/172,353.52 = 80,176.48/x
  3. Step 3: Cross multiply
    124,810.08x = 172,353.52 × 80,176.48
  4. Step 4: Simplify right side
    124,810.08x = 13,818,698,549.21
  5. Step 5: Solve for x
    x = 13,818,698,549.21/124,810.08
  6. Step 6: Final answer
    x = 110,717.81

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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.