Home / 124,933.36-172,533.98-79,632.70

Finding the Fourth Proportional to 124,933.36, 172,533.98 and 79,632.70

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Solution

The fourth proportional to 124,933.36, 172,533.98 and 79,632.70 is: 109,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.36 : 172,533.98 = 79,632.70 : x
  2. Step 2: Convert to fraction form
    124,933.36/172,533.98 = 79,632.70/x
  3. Step 3: Cross multiply
    124,933.36x = 172,533.98 × 79,632.70
  4. Step 4: Simplify right side
    124,933.36x = 13,739,346,669.15
  5. Step 5: Solve for x
    x = 13,739,346,669.15/124,933.36
  6. Step 6: Final answer
    x = 109,973.40

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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.