Home / 176,213.81-243,117.16-99,725.31

Finding the Fourth Proportional to 176,213.81, 243,117.16 and 99,725.31

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Solution

The fourth proportional to 176,213.81, 243,117.16 and 99,725.31 is: 137,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,213.81 : 243,117.16 = 99,725.31 : x
  2. Step 2: Convert to fraction form
    176,213.81/243,117.16 = 99,725.31/x
  3. Step 3: Cross multiply
    176,213.81x = 243,117.16 × 99,725.31
  4. Step 4: Simplify right side
    176,213.81x = 24,244,933,898.01
  5. Step 5: Solve for x
    x = 24,244,933,898.01/176,213.81
  6. Step 6: Final answer
    x = 137,588.16

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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.