Home / 161,711.40-242,567.10-124,343.40

Finding the Fourth Proportional to 161,711.40, 242,567.10 and 124,343.40

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Solution

The fourth proportional to 161,711.40, 242,567.10 and 124,343.40 is: 186,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.40 : 242,567.10 = 124,343.40 : x
  2. Step 2: Convert to fraction form
    161,711.40/242,567.10 = 124,343.40/x
  3. Step 3: Cross multiply
    161,711.40x = 242,567.10 × 124,343.40
  4. Step 4: Simplify right side
    161,711.40x = 30,161,617,942.14
  5. Step 5: Solve for x
    x = 30,161,617,942.14/161,711.40
  6. Step 6: Final answer
    x = 186,515.10

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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.