Home / 166,688.76-229,791.36-118,859.16

Finding the Fourth Proportional to 166,688.76, 229,791.36 and 118,859.16

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Solution

The fourth proportional to 166,688.76, 229,791.36 and 118,859.16 is: 163,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.76 : 229,791.36 = 118,859.16 : x
  2. Step 2: Convert to fraction form
    166,688.76/229,791.36 = 118,859.16/x
  3. Step 3: Cross multiply
    166,688.76x = 229,791.36 × 118,859.16
  4. Step 4: Simplify right side
    166,688.76x = 27,312,808,024.86
  5. Step 5: Solve for x
    x = 27,312,808,024.86/166,688.76
  6. Step 6: Final answer
    x = 163,855.13

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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.