Home / 112,935.40-169,403.10-101,530.60

Finding the Fourth Proportional to 112,935.40, 169,403.10 and 101,530.60

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Solution

The fourth proportional to 112,935.40, 169,403.10 and 101,530.60 is: 152,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,935.40 : 169,403.10 = 101,530.60 : x
  2. Step 2: Convert to fraction form
    112,935.40/169,403.10 = 101,530.60/x
  3. Step 3: Cross multiply
    112,935.40x = 169,403.10 × 101,530.60
  4. Step 4: Simplify right side
    112,935.40x = 17,199,598,384.86
  5. Step 5: Solve for x
    x = 17,199,598,384.86/112,935.40
  6. Step 6: Final answer
    x = 152,295.90

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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.