Home / 113,301.77-169,624.58-85,339.58

Finding the Fourth Proportional to 113,301.77, 169,624.58 and 85,339.58

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Solution

The fourth proportional to 113,301.77, 169,624.58 and 85,339.58 is: 127,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,301.77 : 169,624.58 = 85,339.58 : x
  2. Step 2: Convert to fraction form
    113,301.77/169,624.58 = 85,339.58/x
  3. Step 3: Cross multiply
    113,301.77x = 169,624.58 × 85,339.58
  4. Step 4: Simplify right side
    113,301.77x = 14,475,689,140.06
  5. Step 5: Solve for x
    x = 14,475,689,140.06/113,301.77
  6. Step 6: Final answer
    x = 127,762.26

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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.