Home / 112,902.12-169,220.34-46,309.32

Finding the Fourth Proportional to 112,902.12, 169,220.34 and 46,309.32

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Solution

The fourth proportional to 112,902.12, 169,220.34 and 46,309.32 is: 69,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,902.12 : 169,220.34 = 46,309.32 : x
  2. Step 2: Convert to fraction form
    112,902.12/169,220.34 = 46,309.32/x
  3. Step 3: Cross multiply
    112,902.12x = 169,220.34 × 46,309.32
  4. Step 4: Simplify right side
    112,902.12x = 7,836,478,875.57
  5. Step 5: Solve for x
    x = 7,836,478,875.57/112,902.12
  6. Step 6: Final answer
    x = 69,409.49

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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.