Home / 123,945.26-171,030.53-70,218.77

Finding the Fourth Proportional to 123,945.26, 171,030.53 and 70,218.77

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Solution

The fourth proportional to 123,945.26, 171,030.53 and 70,218.77 is: 96,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,945.26 : 171,030.53 = 70,218.77 : x
  2. Step 2: Convert to fraction form
    123,945.26/171,030.53 = 70,218.77/x
  3. Step 3: Cross multiply
    123,945.26x = 171,030.53 × 70,218.77
  4. Step 4: Simplify right side
    123,945.26x = 12,009,552,242.80
  5. Step 5: Solve for x
    x = 12,009,552,242.80/123,945.26
  6. Step 6: Final answer
    x = 96,894.01

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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.