Home / 288,625.10-432,937.65-101,612.30

Finding the Fourth Proportional to 288,625.10, 432,937.65 and 101,612.30

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Solution

The fourth proportional to 288,625.10, 432,937.65 and 101,612.30 is: 152,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,625.10 : 432,937.65 = 101,612.30 : x
  2. Step 2: Convert to fraction form
    288,625.10/432,937.65 = 101,612.30/x
  3. Step 3: Cross multiply
    288,625.10x = 432,937.65 × 101,612.30
  4. Step 4: Simplify right side
    288,625.10x = 43,991,790,373.10
  5. Step 5: Solve for x
    x = 43,991,790,373.10/288,625.10
  6. Step 6: Final answer
    x = 152,418.45

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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.