Home / 124,128.27-171,307.02-103,950.48

Finding the Fourth Proportional to 124,128.27, 171,307.02 and 103,950.48

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Solution

The fourth proportional to 124,128.27, 171,307.02 and 103,950.48 is: 143,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,128.27 : 171,307.02 = 103,950.48 : x
  2. Step 2: Convert to fraction form
    124,128.27/171,307.02 = 103,950.48/x
  3. Step 3: Cross multiply
    124,128.27x = 171,307.02 × 103,950.48
  4. Step 4: Simplify right side
    124,128.27x = 17,807,446,956.37
  5. Step 5: Solve for x
    x = 17,807,446,956.37/124,128.27
  6. Step 6: Final answer
    x = 143,460.04

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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.