Home / 219,353.12-302,708.76-118,751.12

Finding the Fourth Proportional to 219,353.12, 302,708.76 and 118,751.12

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Solution

The fourth proportional to 219,353.12, 302,708.76 and 118,751.12 is: 163,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,353.12 : 302,708.76 = 118,751.12 : x
  2. Step 2: Convert to fraction form
    219,353.12/302,708.76 = 118,751.12/x
  3. Step 3: Cross multiply
    219,353.12x = 302,708.76 × 118,751.12
  4. Step 4: Simplify right side
    219,353.12x = 35,947,004,283.81
  5. Step 5: Solve for x
    x = 35,947,004,283.81/219,353.12
  6. Step 6: Final answer
    x = 163,877.33

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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.