Home / 213,509.80-294,638.34-118,014.04

Finding the Fourth Proportional to 213,509.80, 294,638.34 and 118,014.04

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Solution

The fourth proportional to 213,509.80, 294,638.34 and 118,014.04 is: 162,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,509.80 : 294,638.34 = 118,014.04 : x
  2. Step 2: Convert to fraction form
    213,509.80/294,638.34 = 118,014.04/x
  3. Step 3: Cross multiply
    213,509.80x = 294,638.34 × 118,014.04
  4. Step 4: Simplify right side
    213,509.80x = 34,771,460,842.29
  5. Step 5: Solve for x
    x = 34,771,460,842.29/213,509.80
  6. Step 6: Final answer
    x = 162,856.51

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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.