Home / 124,127.51-171,308.57-73,156.65

Finding the Fourth Proportional to 124,127.51, 171,308.57 and 73,156.65

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Solution

The fourth proportional to 124,127.51, 171,308.57 and 73,156.65 is: 100,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,127.51 : 171,308.57 = 73,156.65 : x
  2. Step 2: Convert to fraction form
    124,127.51/171,308.57 = 73,156.65/x
  3. Step 3: Cross multiply
    124,127.51x = 171,308.57 × 73,156.65
  4. Step 4: Simplify right side
    124,127.51x = 12,532,360,089.30
  5. Step 5: Solve for x
    x = 12,532,360,089.30/124,127.51
  6. Step 6: Final answer
    x = 100,963.60

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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.