Home / 134,920.22-186,205.65-112,219.16

Finding the Fourth Proportional to 134,920.22, 186,205.65 and 112,219.16

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Solution

The fourth proportional to 134,920.22, 186,205.65 and 112,219.16 is: 154,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.22 : 186,205.65 = 112,219.16 : x
  2. Step 2: Convert to fraction form
    134,920.22/186,205.65 = 112,219.16/x
  3. Step 3: Cross multiply
    134,920.22x = 186,205.65 × 112,219.16
  4. Step 4: Simplify right side
    134,920.22x = 20,895,841,630.25
  5. Step 5: Solve for x
    x = 20,895,841,630.25/134,920.22
  6. Step 6: Final answer
    x = 154,875.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.