Home / 168,780.15-253,225.65-69,024.24

Finding the Fourth Proportional to 168,780.15, 253,225.65 and 69,024.24

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Solution

The fourth proportional to 168,780.15, 253,225.65 and 69,024.24 is: 103,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.15 : 253,225.65 = 69,024.24 : x
  2. Step 2: Convert to fraction form
    168,780.15/253,225.65 = 69,024.24/x
  3. Step 3: Cross multiply
    168,780.15x = 253,225.65 × 69,024.24
  4. Step 4: Simplify right side
    168,780.15x = 17,478,708,039.76
  5. Step 5: Solve for x
    x = 17,478,708,039.76/168,780.15
  6. Step 6: Final answer
    x = 103,559.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.