Home / 176,389.28-243,430.08-100,936.16

Finding the Fourth Proportional to 176,389.28, 243,430.08 and 100,936.16

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Solution

The fourth proportional to 176,389.28, 243,430.08 and 100,936.16 is: 139,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,389.28 : 243,430.08 = 100,936.16 : x
  2. Step 2: Convert to fraction form
    176,389.28/243,430.08 = 100,936.16/x
  3. Step 3: Cross multiply
    176,389.28x = 243,430.08 × 100,936.16
  4. Step 4: Simplify right side
    176,389.28x = 24,570,897,503.69
  5. Step 5: Solve for x
    x = 24,570,897,503.69/176,389.28
  6. Step 6: Final answer
    x = 139,299.27

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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.