Home / 157,661.40-236,492.10-129,667.80

Finding the Fourth Proportional to 157,661.40, 236,492.10 and 129,667.80

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Solution

The fourth proportional to 157,661.40, 236,492.10 and 129,667.80 is: 194,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.40 : 236,492.10 = 129,667.80 : x
  2. Step 2: Convert to fraction form
    157,661.40/236,492.10 = 129,667.80/x
  3. Step 3: Cross multiply
    157,661.40x = 236,492.10 × 129,667.80
  4. Step 4: Simplify right side
    157,661.40x = 30,665,410,324.38
  5. Step 5: Solve for x
    x = 30,665,410,324.38/157,661.40
  6. Step 6: Final answer
    x = 194,501.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.