Home / 112,904.24-169,024.08-75,371.20

Finding the Fourth Proportional to 112,904.24, 169,024.08 and 75,371.20

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Solution

The fourth proportional to 112,904.24, 169,024.08 and 75,371.20 is: 112,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.24 : 169,024.08 = 75,371.20 : x
  2. Step 2: Convert to fraction form
    112,904.24/169,024.08 = 75,371.20/x
  3. Step 3: Cross multiply
    112,904.24x = 169,024.08 × 75,371.20
  4. Step 4: Simplify right side
    112,904.24x = 12,739,547,738.50
  5. Step 5: Solve for x
    x = 12,739,547,738.50/112,904.24
  6. Step 6: Final answer
    x = 112,834.98

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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.