Home / 176,741.16-243,911.34-101,289.84

Finding the Fourth Proportional to 176,741.16, 243,911.34 and 101,289.84

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Solution

The fourth proportional to 176,741.16, 243,911.34 and 101,289.84 is: 139,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,741.16 : 243,911.34 = 101,289.84 : x
  2. Step 2: Convert to fraction form
    176,741.16/243,911.34 = 101,289.84/x
  3. Step 3: Cross multiply
    176,741.16x = 243,911.34 × 101,289.84
  4. Step 4: Simplify right side
    176,741.16x = 24,705,740,602.79
  5. Step 5: Solve for x
    x = 24,705,740,602.79/176,741.16
  6. Step 6: Final answer
    x = 139,784.87

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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.