Home / 119,630.40-179,445.87-112,323.12

Finding the Fourth Proportional to 119,630.40, 179,445.87 and 112,323.12

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Solution

The fourth proportional to 119,630.40, 179,445.87 and 112,323.12 is: 168,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,630.40 : 179,445.87 = 112,323.12 : x
  2. Step 2: Convert to fraction form
    119,630.40/179,445.87 = 112,323.12/x
  3. Step 3: Cross multiply
    119,630.40x = 179,445.87 × 112,323.12
  4. Step 4: Simplify right side
    119,630.40x = 20,155,919,989.51
  5. Step 5: Solve for x
    x = 20,155,919,989.51/119,630.40
  6. Step 6: Final answer
    x = 168,484.93

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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.